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Mandriva Linux Security Advisory 2012-131

Mandriva Linux Security Advisory 2012-131
Posted Aug 14, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-131 - Just Ferguson discovered that libotr, an off-the-record messaging library, can be forced to perform zero-length allocations for heap buffers that are used in base64 decoding routines. An attacker can exploit this flaw by sending crafted messages to an application that is using libotr to perform denial of service attacks or potentially execute arbitrary code. The updated packages have been patched to correct this issue.

tags | advisory, denial of service, arbitrary
systems | linux, mandriva
advisories | CVE-2012-3461
MD5 | b8b70f930c48d345d591fb1691e722a0

Mandriva Linux Security Advisory 2012-131

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:131
http://www.mandriva.com/security/
_______________________________________________________________________

Package : libotr
Date : August 13, 2012
Affected: 2011.
_______________________________________________________________________

Problem Description:

A vulnerability was found and corrected in libotr:

Just Ferguson discovered that libotr, an off-the-record (OTR) messaging
library, can be forced to perform zero-length allocations for heap
buffers that are used in base64 decoding routines. An attacker can
exploit this flaw by sending crafted messages to an application that
is using libotr to perform denial of service attacks or potentially
execute arbitrary code (CVE-2012-3461).

The updated packages have been patched to correct this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3461
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
7248af52fb3ea459d0c7e65907631bda 2011/i586/libotr2-3.2.0-5.1-mdv2011.0.i586.rpm
9e3d6867954096a67cdd69df3c688b91 2011/i586/libotr-devel-3.2.0-5.1-mdv2011.0.i586.rpm
d0fdea9fc83385a6540881a99b70e06f 2011/i586/libotr-utils-3.2.0-5.1-mdv2011.0.i586.rpm
c2cca963b8a3ed1c48a9913251088a57 2011/SRPMS/libotr-3.2.0-5.1.src.rpm

Mandriva Linux 2011/X86_64:
4ba040455e37c5ff708f1b653a50a980 2011/x86_64/lib64otr2-3.2.0-5.1-mdv2011.0.x86_64.rpm
34d39b44c8a2774cb4d17685ad128697 2011/x86_64/lib64otr-devel-3.2.0-5.1-mdv2011.0.x86_64.rpm
c394a5107bc015193c97a3d9cc092f4e 2011/x86_64/libotr-utils-3.2.0-5.1-mdv2011.0.x86_64.rpm
c2cca963b8a3ed1c48a9913251088a57 2011/SRPMS/libotr-3.2.0-5.1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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