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Debian Security Advisory DSA 2526-1 (libotr)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update to libotr announced via advisory DSA 2526-1.

Insight

Insight

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. For the stable distribution (squeeze), this problem has been fixed in version 3.2.0-2+squeeze1. For the testing distribution (wheezy), this problem has been fixed in version 3.2.1-1. For the unstable distribution (sid), this problem has been fixed in version 3.2.1-1.

Solution

Solution

We recommend that you upgrade your libotr packages.

Common Vulnerabilities and Exposures (CVE)