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* gnu/packages/patches/bluez-CVE-2017-1000250.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/linux.scm (bluez)[replacement]: New field. (bluez/fixed): New variable.
42 lines
1.8 KiB
Diff
42 lines
1.8 KiB
Diff
Description: CVE-2017-1000250: information disclosure vulnerability in service_search_attr_req
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Origin: vendor
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Bug-Debian: https://bugs.debian.org/875633
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Bug-RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1489446
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Bug-SuSE: https://bugzilla.suse.com/show_bug.cgi?id=1057342
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Forwarded: no
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Author: Armis Security <security@armis.com>
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Reviewed-by: Salvatore Bonaccorso <carnil@debian.org>
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Last-Update: 2017-09-13
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--- a/src/sdpd-request.c
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+++ b/src/sdpd-request.c
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@@ -918,15 +918,20 @@ static int service_search_attr_req(sdp_r
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/* continuation State exists -> get from cache */
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sdp_buf_t *pCache = sdp_get_cached_rsp(cstate);
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if (pCache) {
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- uint16_t sent = MIN(max, pCache->data_size - cstate->cStateValue.maxBytesSent);
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- pResponse = pCache->data;
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- memcpy(buf->data, pResponse + cstate->cStateValue.maxBytesSent, sent);
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- buf->data_size += sent;
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- cstate->cStateValue.maxBytesSent += sent;
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- if (cstate->cStateValue.maxBytesSent == pCache->data_size)
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- cstate_size = sdp_set_cstate_pdu(buf, NULL);
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- else
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- cstate_size = sdp_set_cstate_pdu(buf, cstate);
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+ if (cstate->cStateValue.maxBytesSent >= pCache->data_size) {
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+ status = SDP_INVALID_CSTATE;
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+ SDPDBG("Got bad cstate with invalid size");
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+ } else {
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+ uint16_t sent = MIN(max, pCache->data_size - cstate->cStateValue.maxBytesSent);
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+ pResponse = pCache->data;
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+ memcpy(buf->data, pResponse + cstate->cStateValue.maxBytesSent, sent);
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+ buf->data_size += sent;
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+ cstate->cStateValue.maxBytesSent += sent;
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+ if (cstate->cStateValue.maxBytesSent == pCache->data_size)
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+ cstate_size = sdp_set_cstate_pdu(buf, NULL);
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+ else
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+ cstate_size = sdp_set_cstate_pdu(buf, cstate);
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+ }
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} else {
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status = SDP_INVALID_CSTATE;
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SDPDBG("Non-null continuation state, but null cache buffer");
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