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[ GLSA 201309-07 ] libotr: Arbitrary code execution
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PostPosted: Sun Sep 15, 2013 5:26 am    Post subject: [ GLSA 201309-07 ] libotr: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: libotr: Arbitrary code execution (GLSA 201309-07)
Severity: high
Exploitable: remote
Date: September 15, 2013
Bug(s): #430486
ID: 201309-07

Synopsis

A buffer overflow vulnerability in libotr could allow a remote
attacker to execute arbitrary code or cause a Denial of Service condition.


Background

libotr is a portable off-the-record messaging library.

Affected Packages

Package: net-libs/libotr
Vulnerable: < 3.2.1
Unaffected: >= 3.2.1
Architectures: All supported architectures


Description

Multiple heap-based buffer overflows are present in the Base64 decoder
of libotr.


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.

Resolution

All libotr users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/libotr-3.2.1"
   


References

CVE-2012-3461
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