Bug 1316133 (CVE-2016-2851) - CVE-2016-2851 libotr: Integer overflow when receiving messages bigger than 4GB
Summary: CVE-2016-2851 libotr: Integer overflow when receiving messages bigger than 4GB
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2016-2851
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1316261 1316262 1316263 1316264
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-03-09 13:47 UTC by Adam Mariš
Modified: 2021-02-17 04:12 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-06-08 02:49:32 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2016-03-09 13:47:37 UTC 
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 18:58:46 UTC 
This is now public:

https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html
Comment 2 Kurt Seifried 2016-03-09 19:47:08 UTC 
Created libotr tracking bugs for this issue:

Affects: fedora-all [bug 1316261]
Affects: epel-all [bug 1316263]
Comment 3 Kurt Seifried 2016-03-09 19:47:14 UTC 
Created libotr3 tracking bugs for this issue:

Affects: fedora-all [bug 1316262]
Affects: epel-all [bug 1316264]
Comment 4 Andrej Nemec 2016-03-10 08:30:04 UTC 
External references:

http://seclists.org/oss-sec/2016/q1/568
Comment 5 Product Security DevOps Team 2019-06-08 02:49:32 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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