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gnu: connman: Patch CVE-2022-32392, CVE-2022-32293.
* gnu/packages/connman.scm (connman)[source]: Add patches. * gnu/packages/patches/connman-CVE-2022-32292.patch, gnu/packages/patches/connman-CVE-2022-32293-pt1.patch, gnu/packages/patches/connman-CVE-2022-32293-pt1.patch: New files. * gnu/local.mk (dist_patch_DATA): Register them.
This commit is contained in:
Efraim Flashner
parent
90e316535a
commit
f9ada7fdc4
5 changed files with 355 additions and 2 deletions
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@ -979,9 +979,12 @@ dist_patch_DATA = \
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%D%/packages/patches/cmake-curl-certificates-3.24.patch \
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%D%/packages/patches/coda-use-system-libs.patch \
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%D%/packages/patches/collectd-5.11.0-noinstallvar.patch \
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%D%/packages/patches/containerd-create-pid-file.patch \
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%D%/packages/patches/combinatorial-blas-awpm.patch \
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%D%/packages/patches/combinatorial-blas-io-fix.patch \
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%D%/packages/patches/connman-CVE-2022-32292.patch \
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%D%/packages/patches/connman-CVE-2022-32293-pt1.patch \
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%D%/packages/patches/connman-CVE-2022-32293-pt2.patch \
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%D%/packages/patches/containerd-create-pid-file.patch \
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%D%/packages/patches/cool-retro-term-wctype.patch \
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%D%/packages/patches/coreutils-gnulib-tests.patch \
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%D%/packages/patches/coq-fix-envvars.patch \
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@ -53,7 +53,10 @@ (define-public connman
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(uri (string-append "mirror://kernel.org/linux/network/connman/"
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"connman-" version ".tar.xz"))
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(sha256
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(base32 "12g5ilcnymx6i45z3359yds3cgd2dfqjyncfm92hqlymzps41yvr"))))
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(base32 "12g5ilcnymx6i45z3359yds3cgd2dfqjyncfm92hqlymzps41yvr"))
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(patches (search-patches "connman-CVE-2022-32292.patch"
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"connman-CVE-2022-32293-pt1.patch"
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"connman-CVE-2022-32293-pt2.patch"))))
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(build-system gnu-build-system)
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(arguments
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(list #:configure-flags
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34
gnu/packages/patches/connman-CVE-2022-32292.patch
Normal file
34
gnu/packages/patches/connman-CVE-2022-32292.patch
Normal file
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@ -0,0 +1,34 @@
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https://git.kernel.org/pub/scm/network/connman/connman.git/patch/?id=d1a5ede5d255bde8ef707f8441b997563b9312bd
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From d1a5ede5d255bde8ef707f8441b997563b9312bd Mon Sep 17 00:00:00 2001
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From: Nathan Crandall <ncrandall@tesla.com>
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Date: Tue, 12 Jul 2022 08:56:34 +0200
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Subject: gweb: Fix OOB write in received_data()
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There is a mismatch of handling binary vs. C-string data with memchr
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and strlen, resulting in pos, count, and bytes_read to become out of
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sync and result in a heap overflow. Instead, do not treat the buffer
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as an ASCII C-string. We calculate the count based on the return value
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of memchr, instead of strlen.
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Fixes: CVE-2022-32292
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---
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gweb/gweb.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/gweb/gweb.c b/gweb/gweb.c
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index 12fcb1d8..13c6c5f2 100644
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--- a/gweb/gweb.c
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+++ b/gweb/gweb.c
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@@ -918,7 +918,7 @@ static gboolean received_data(GIOChannel *channel, GIOCondition cond,
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}
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*pos = '\0';
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- count = strlen((char *) ptr);
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+ count = pos - ptr;
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if (count > 0 && ptr[count - 1] == '\r') {
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ptr[--count] = '\0';
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bytes_read--;
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--
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cgit
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140
gnu/packages/patches/connman-CVE-2022-32293-pt1.patch
Normal file
140
gnu/packages/patches/connman-CVE-2022-32293-pt1.patch
Normal file
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@ -0,0 +1,140 @@
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https://git.kernel.org/pub/scm/network/connman/connman.git/patch/?id=72343929836de80727a27d6744c869dff045757c
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From 72343929836de80727a27d6744c869dff045757c Mon Sep 17 00:00:00 2001
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From: Daniel Wagner <wagi@monom.org>
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Date: Tue, 5 Jul 2022 08:32:12 +0200
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Subject: wispr: Add reference counter to portal context
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Track the connman_wispr_portal_context live time via a
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refcounter. This only adds the infrastructure to do proper reference
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counting.
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Fixes: CVE-2022-32293
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---
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src/wispr.c | 52 ++++++++++++++++++++++++++++++++++++++++++----------
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1 file changed, 42 insertions(+), 10 deletions(-)
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diff --git a/src/wispr.c b/src/wispr.c
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index a07896ca..bde7e63b 100644
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--- a/src/wispr.c
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+++ b/src/wispr.c
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@@ -56,6 +56,7 @@ struct wispr_route {
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};
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struct connman_wispr_portal_context {
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+ int refcount;
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struct connman_service *service;
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enum connman_ipconfig_type type;
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struct connman_wispr_portal *wispr_portal;
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@@ -97,6 +98,11 @@ static char *online_check_ipv4_url = NULL;
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static char *online_check_ipv6_url = NULL;
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static bool enable_online_to_ready_transition = false;
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+#define wispr_portal_context_ref(wp_context) \
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+ wispr_portal_context_ref_debug(wp_context, __FILE__, __LINE__, __func__)
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+#define wispr_portal_context_unref(wp_context) \
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+ wispr_portal_context_unref_debug(wp_context, __FILE__, __LINE__, __func__)
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+
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static void connman_wispr_message_init(struct connman_wispr_message *msg)
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{
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DBG("");
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@@ -162,9 +168,6 @@ static void free_connman_wispr_portal_context(
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{
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DBG("context %p", wp_context);
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- if (!wp_context)
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- return;
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-
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if (wp_context->wispr_portal) {
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if (wp_context->wispr_portal->ipv4_context == wp_context)
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wp_context->wispr_portal->ipv4_context = NULL;
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@@ -201,9 +204,38 @@ static void free_connman_wispr_portal_context(
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g_free(wp_context);
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}
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+static struct connman_wispr_portal_context *
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+wispr_portal_context_ref_debug(struct connman_wispr_portal_context *wp_context,
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+ const char *file, int line, const char *caller)
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+{
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+ DBG("%p ref %d by %s:%d:%s()", wp_context,
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+ wp_context->refcount + 1, file, line, caller);
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+
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+ __sync_fetch_and_add(&wp_context->refcount, 1);
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+
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+ return wp_context;
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+}
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+
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+static void wispr_portal_context_unref_debug(
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+ struct connman_wispr_portal_context *wp_context,
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+ const char *file, int line, const char *caller)
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+{
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+ if (!wp_context)
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+ return;
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+
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+ DBG("%p ref %d by %s:%d:%s()", wp_context,
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+ wp_context->refcount - 1, file, line, caller);
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+
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+ if (__sync_fetch_and_sub(&wp_context->refcount, 1) != 1)
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+ return;
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+
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+ free_connman_wispr_portal_context(wp_context);
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+}
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+
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static struct connman_wispr_portal_context *create_wispr_portal_context(void)
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{
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- return g_try_new0(struct connman_wispr_portal_context, 1);
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+ return wispr_portal_context_ref(
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+ g_new0(struct connman_wispr_portal_context, 1));
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}
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static void free_connman_wispr_portal(gpointer data)
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@@ -215,8 +247,8 @@ static void free_connman_wispr_portal(gpointer data)
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if (!wispr_portal)
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return;
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- free_connman_wispr_portal_context(wispr_portal->ipv4_context);
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- free_connman_wispr_portal_context(wispr_portal->ipv6_context);
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+ wispr_portal_context_unref(wispr_portal->ipv4_context);
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+ wispr_portal_context_unref(wispr_portal->ipv6_context);
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g_free(wispr_portal);
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}
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@@ -452,7 +484,7 @@ static void portal_manage_status(GWebResult *result,
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connman_info("Client-Timezone: %s", str);
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if (!enable_online_to_ready_transition)
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- free_connman_wispr_portal_context(wp_context);
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+ wispr_portal_context_unref(wp_context);
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__connman_service_ipconfig_indicate_state(service,
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CONNMAN_SERVICE_STATE_ONLINE, type);
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@@ -616,7 +648,7 @@ static void wispr_portal_request_wispr_login(struct connman_service *service,
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return;
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}
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- free_connman_wispr_portal_context(wp_context);
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+ wispr_portal_context_unref(wp_context);
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return;
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}
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@@ -952,7 +984,7 @@ static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
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if (wp_context->token == 0) {
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err = -EINVAL;
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- free_connman_wispr_portal_context(wp_context);
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+ wispr_portal_context_unref(wp_context);
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}
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} else if (wp_context->timeout == 0) {
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wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
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@@ -1001,7 +1033,7 @@ int __connman_wispr_start(struct connman_service *service,
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/* If there is already an existing context, we wipe it */
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if (wp_context)
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- free_connman_wispr_portal_context(wp_context);
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+ wispr_portal_context_unref(wp_context);
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wp_context = create_wispr_portal_context();
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if (!wp_context)
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--
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cgit
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173
gnu/packages/patches/connman-CVE-2022-32293-pt2.patch
Normal file
173
gnu/packages/patches/connman-CVE-2022-32293-pt2.patch
Normal file
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@ -0,0 +1,173 @@
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https://git.kernel.org/pub/scm/network/connman/connman.git/patch/?id=416bfaff988882c553c672e5bfc2d4f648d29e8a
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From 416bfaff988882c553c672e5bfc2d4f648d29e8a Mon Sep 17 00:00:00 2001
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From: Daniel Wagner <wagi@monom.org>
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Date: Tue, 5 Jul 2022 09:11:09 +0200
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Subject: wispr: Update portal context references
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Maintain proper portal context references to avoid UAF.
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Fixes: CVE-2022-32293
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---
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src/wispr.c | 34 ++++++++++++++++++++++------------
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1 file changed, 22 insertions(+), 12 deletions(-)
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diff --git a/src/wispr.c b/src/wispr.c
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index bde7e63b..84bed33f 100644
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--- a/src/wispr.c
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+++ b/src/wispr.c
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@@ -105,8 +105,6 @@ static bool enable_online_to_ready_transition = false;
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static void connman_wispr_message_init(struct connman_wispr_message *msg)
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{
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- DBG("");
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-
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msg->has_error = false;
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msg->current_element = NULL;
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@@ -166,8 +164,6 @@ static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
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static void free_connman_wispr_portal_context(
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struct connman_wispr_portal_context *wp_context)
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{
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- DBG("context %p", wp_context);
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-
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if (wp_context->wispr_portal) {
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if (wp_context->wispr_portal->ipv4_context == wp_context)
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wp_context->wispr_portal->ipv4_context = NULL;
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@@ -483,9 +479,6 @@ static void portal_manage_status(GWebResult *result,
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&str))
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connman_info("Client-Timezone: %s", str);
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- if (!enable_online_to_ready_transition)
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- wispr_portal_context_unref(wp_context);
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-
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__connman_service_ipconfig_indicate_state(service,
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CONNMAN_SERVICE_STATE_ONLINE, type);
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@@ -546,14 +539,17 @@ static void wispr_portal_request_portal(
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{
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DBG("");
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+ wispr_portal_context_ref(wp_context);
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wp_context->request_id = g_web_request_get(wp_context->web,
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wp_context->status_url,
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wispr_portal_web_result,
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wispr_route_request,
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wp_context);
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- if (wp_context->request_id == 0)
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+ if (wp_context->request_id == 0) {
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wispr_portal_error(wp_context);
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+ wispr_portal_context_unref(wp_context);
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+ }
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}
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static bool wispr_input(const guint8 **data, gsize *length,
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@@ -618,13 +614,15 @@ static void wispr_portal_browser_reply_cb(struct connman_service *service,
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return;
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if (!authentication_done) {
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- wispr_portal_error(wp_context);
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free_wispr_routes(wp_context);
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+ wispr_portal_error(wp_context);
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+ wispr_portal_context_unref(wp_context);
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return;
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}
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/* Restarting the test */
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__connman_service_wispr_start(service, wp_context->type);
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+ wispr_portal_context_unref(wp_context);
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}
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static void wispr_portal_request_wispr_login(struct connman_service *service,
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@@ -700,11 +698,13 @@ static bool wispr_manage_message(GWebResult *result,
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wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
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+ wispr_portal_context_ref(wp_context);
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if (__connman_agent_request_login_input(wp_context->service,
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wispr_portal_request_wispr_login,
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- wp_context) != -EINPROGRESS)
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+ wp_context) != -EINPROGRESS) {
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wispr_portal_error(wp_context);
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- else
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+ wispr_portal_context_unref(wp_context);
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+ } else
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return true;
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break;
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@@ -753,6 +753,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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if (length > 0) {
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g_web_parser_feed_data(wp_context->wispr_parser,
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chunk, length);
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+ wispr_portal_context_unref(wp_context);
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return true;
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}
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@@ -770,6 +771,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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switch (status) {
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case 000:
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+ wispr_portal_context_ref(wp_context);
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__connman_agent_request_browser(wp_context->service,
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wispr_portal_browser_reply_cb,
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wp_context->status_url, wp_context);
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@@ -781,11 +783,14 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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if (g_web_result_get_header(result, "X-ConnMan-Status",
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&str)) {
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portal_manage_status(result, wp_context);
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+ wispr_portal_context_unref(wp_context);
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return false;
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- } else
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+ } else {
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+ wispr_portal_context_ref(wp_context);
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__connman_agent_request_browser(wp_context->service,
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wispr_portal_browser_reply_cb,
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wp_context->redirect_url, wp_context);
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+ }
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break;
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case 300:
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@@ -798,6 +803,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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!g_web_result_get_header(result, "Location",
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&redirect)) {
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+ wispr_portal_context_ref(wp_context);
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__connman_agent_request_browser(wp_context->service,
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wispr_portal_browser_reply_cb,
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wp_context->status_url, wp_context);
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@@ -808,6 +814,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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wp_context->redirect_url = g_strdup(redirect);
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+ wispr_portal_context_ref(wp_context);
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wp_context->request_id = g_web_request_get(wp_context->web,
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redirect, wispr_portal_web_result,
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wispr_route_request, wp_context);
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@@ -820,6 +827,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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break;
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case 505:
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+ wispr_portal_context_ref(wp_context);
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__connman_agent_request_browser(wp_context->service,
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wispr_portal_browser_reply_cb,
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wp_context->status_url, wp_context);
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@@ -832,6 +840,7 @@ static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
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wp_context->request_id = 0;
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done:
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wp_context->wispr_msg.message_type = -1;
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+ wispr_portal_context_unref(wp_context);
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return false;
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}
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@@ -890,6 +899,7 @@ static void proxy_callback(const char *proxy, void *user_data)
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xml_wispr_parser_callback, wp_context);
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wispr_portal_request_portal(wp_context);
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+ wispr_portal_context_unref(wp_context);
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}
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static gboolean no_proxy_callback(gpointer user_data)
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--
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cgit
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