Bug 1316133 - (CVE-2016-2851) CVE-2016-2851 libotr: Integer overflow when receiving messages bigger than 4GB
CVE-2016-2851 libotr: Integer overflow when receiving messages bigger than 4GB
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20160309,repo...
: Security
Depends On: 1316263 1316264 1316261 1316262
Blocks:
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Reported: 2016-03-09 08:47 EST by Adam Mariš
Modified: 2016-03-10 03:30 EST (History)
2 users (show)

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Description Adam Mariš 2016-03-09 08:47:37 EST
Integer overflow vulnerability occurs when comparing int and size_t variable types triggered by receiving messages larger than 4GB. This can cause buffer overflow that could lead to code execution.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1315247
Comment 1 Kurt Seifried 2016-03-09 13:58:46 EST
This is now public:

https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html
Comment 2 Kurt Seifried 2016-03-09 14:47:08 EST
Created libotr tracking bugs for this issue:

Affects: fedora-all [bug 1316261]
Affects: epel-all [bug 1316263]
Comment 3 Kurt Seifried 2016-03-09 14:47:14 EST
Created libotr3 tracking bugs for this issue:

Affects: fedora-all [bug 1316262]
Affects: epel-all [bug 1316264]
Comment 4 Andrej Nemec 2016-03-10 03:30:04 EST
External references:

http://seclists.org/oss-sec/2016/q1/568

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