Debian Security Advisory
DSA-2622-1 polarssl -- several vulnerabilities
- Date Reported:
- 13 Feb 2013
- Affected Packages:
- polarssl
- Vulnerable:
- Yes
- Security database references:
- In the Debian bugtracking system: Bug 699887.
In Mitre's CVE dictionary: CVE-2013-0169, CVE-2013-1621, CVE-2013-1622. - More information:
-
Multiple vulnerabilities have been found in PolarSSL. The Common Vulnerabilities and Exposures project identifies the following issues:
- CVE-2013-0169
A timing side channel attack has been found in CBC padding allowing an attacker to recover pieces of plaintext via statistical analysis of crafted packages, known as the
Lucky Thirteen
issue. - CVE-2013-1621
An array index error might allow remote attackers to cause a denial of service via vectors involving a crafted padding-length value during validation of CBC padding in a TLS session.
- CVE-2013-1622
Malformed CBC data in a TLS session could allow remote attackers to conduct distinguishing attacks via statistical analysis of timing side-channel data for crafted packets.
For the stable distribution (squeeze), these problems have been fixed in version 0.12.1-1squeeze1.
For the testing distribution (wheezy), and the unstable distribution (sid), these problems have been fixed in version 1.1.4-2.
We recommend that you upgrade your polarssl packages.
- CVE-2013-0169