National Cyber Awareness System
Vulnerability Summary for CVE-2013-1621
Original release date:02/08/2013
Last revised:03/08/2013
Source:
US-CERT/NIST
Overview
Array index error in the SSL module in PolarSSL before 1.2.5 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, a different vulnerability than CVE-2013-0169.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://polarssl.org/tech-updates/releases/polarssl-1.2.5-released
Type: Advisory; Patch Information
External Source: MISC
Name: http://www.isg.rhul.ac.uk/tls/TLStiming.pdf
External Source: DEBIAN
Name: DSA-2622
External Source: MLIST
Name: [oss-security] 20130205 Re: CVE request: TLS CBC padding timing flaw in various SSL / TLS implementations
