guix/gnu/packages/patches/mit-krb5-init-context-null-spnego.patch
Mark H Weaver 16114c3494 gnu: mit-krb5: Update to 1.13.3; add fixes for CVE-2015-{8629,8630,8631}.
* gnu/packages/patches/mit-krb5-CVE-2015-2695-pt1.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2695-pt2.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2696.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2697.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2698-pt1.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2698-pt2.patch: Delete files.
* gnu/packages/patches/mit-krb5-CVE-2015-8629.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-8630.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-8631.patch,
  gnu/packages/patches/mit-krb5-init-context-null-spnego.patch: New files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/mit-krb5.scm (mit-krb5): Update to 1.13.3.
  [source]: Update URI to download conventional .tar.gz file.  Add patches.
  [native-inputs]: Remove old patches-as-inputs.
  [arguments]: Remove hacks needed to cope with the older unconventional
  tarball that contained an inner source tarball and signature: Remove
  #:modules argument, and the custom 'unpack' and 'apply-patches' phases.
2016-02-10 10:41:11 -05:00

49 lines
1.9 KiB
Diff

Copied from Fedora.
http://pkgs.fedoraproject.org/cgit/rpms/krb5.git/tree/krb5-init_context_null_spnego.patch?h=f22
From 3beb564cea3d219efcf71682b6576cad548c2d23 Mon Sep 17 00:00:00 2001
From: Simo Sorce <simo@redhat.com>
Date: Tue, 5 Jan 2016 12:11:59 -0500
Subject: [PATCH] Check internal context on init context errors
If the mechanism deletes the internal context handle on error, the
mechglue must do the same with the union context, to avoid crashes if
the application calls other functions with this invalid union context.
[ghudson@mit.edu: edit commit message and code comment]
ticket: 8337 (new)
target_version: 1.14-next
target_version: 1.13-next
tags: pullup
---
src/lib/gssapi/mechglue/g_init_sec_context.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/src/lib/gssapi/mechglue/g_init_sec_context.c b/src/lib/gssapi/mechglue/g_init_sec_context.c
index aaae767..9f154b8 100644
--- a/src/lib/gssapi/mechglue/g_init_sec_context.c
+++ b/src/lib/gssapi/mechglue/g_init_sec_context.c
@@ -224,12 +224,15 @@ OM_uint32 * time_rec;
if (status != GSS_S_COMPLETE && status != GSS_S_CONTINUE_NEEDED) {
/*
- * the spec says (the preferred) method is to delete all
- * context info on the first call to init, and on all
- * subsequent calls make the caller responsible for
- * calling gss_delete_sec_context
+ * The spec says the preferred method is to delete all context info on
+ * the first call to init, and on all subsequent calls make the caller
+ * responsible for calling gss_delete_sec_context. However, if the
+ * mechanism decided to delete the internal context, we should also
+ * delete the union context.
*/
map_error(minor_status, mech);
+ if (union_ctx_id->internal_ctx_id == GSS_C_NO_CONTEXT)
+ *context_handle = GSS_C_NO_CONTEXT;
if (*context_handle == GSS_C_NO_CONTEXT) {
free(union_ctx_id->mech_type->elements);
free(union_ctx_id->mech_type);
--
2.6.4