Arch Linux Security Advisory ASA-201603-6
========================================
Severity: High
Date    : 2016-03-09
CVE-ID  : CVE-2016-2851
Package : libotr
Type    : arbitrary code execution
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package libotr before version 4.1.1-1 is vulnerable to arbitrary code
execution.

Resolution
=========
Upgrade to 4.1.1-1.

# pacman -Syu "libotr>=4.1.1-1"

The problems has been fixed upstream in version 4.1.1.

Workaround
=========
None.

Description
==========
- CVE-2016-2851 (arbitrary code execution)
Versions 4.1.0 and earlier of libotr in 64-bit builds contain an integer
overflow security flaw. This flaw could potentially be exploited by a remote
attacker to cause a heap buffer overflow and subsequently for arbitrary code
to be executed on the user's machine.


Impact
=====
A remote attacker is able to create a payload that is leading to arbitrary
code execution.

References
=========
https://access.redhat.com/security/cve/CVE-2016-2851
https://otr.cypherpunks.ca/

ArchLinux: 201603-6: libotr: arbitrary code execution

March 9, 2016

Summary

- CVE-2016-2851 (arbitrary code execution) Versions 4.1.0 and earlier of libotr in 64-bit builds contain an integer overflow security flaw. This flaw could potentially be exploited by a remote attacker to cause a heap buffer overflow and subsequently for arbitrary code to be executed on the user's machine.

Resolution

Upgrade to 4.1.1-1. # pacman -Syu "libotr>=4.1.1-1"
The problems has been fixed upstream in version 4.1.1.

References

https://access.redhat.com/security/cve/CVE-2016-2851 https://otr.cypherpunks.ca/

Severity
Package : libotr
Type : arbitrary code execution
Remote : Yes
Link : https://wiki.archlinux.org/title/CVE

Workaround

None.

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