Gentoo: GLSA-201309-07 High: libotr Code Execution Risk
gentoo
September 15, 2013
A buffer overflow vulnerability in libotr could allow a remote attacker to execute arbitrary code or cause a Denial of Service condition.
Summary
Multiple heap-based buffer overflows are present in the Base64 decoder of libotr.
Topics Covered
Resolution
All libotr users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libotr-3.2.1"
References
[ 1 ] CVE-2012-3461 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3461
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201309-07
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity: High
Title: libotr: Arbitrary code execution
Date: September 15, 2013
Bugs: #430486
ID: 201309-07
Topics Covered
Background
libotr is a portable off-the-record messaging library.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libotr < 3.2.1 >= 3.2.1
Impact
=====
A remote attacker could send a specially crafted OTR message, resulting
in arbitrary code execution with the privileges of the process or a
Denial of Service condition.
Workaround
There is no known workaround at this time.
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