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CVE-2013-2155

Status Candidate

Overview

Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly validate length values, which allows remote attackers to cause a denial of service or bypass the CVE-2009-0217 protection mechanism and spoof a signature via crafted length values to the (1) compareBase64StringToRaw, (2) DSIGAlgorithmHandlerDefault, or (3) DSIGAlgorithmHandlerDefault::verify functions.

Related Files

Debian Security Advisory 2710-1
Posted Jun 18, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2710-1 - James Forshaw from Context Information Security discovered several vulnerabilities in xml-security-c, an implementation of the XML Digital Security specification.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2013-2153, CVE-2013-2154, CVE-2013-2155, CVE-2013-2156
MD5 | 525549cd799522023f2f2b7008911282
Apache Santuario XML Security For C++ Denial Of Service / Bypass
Posted Jun 18, 2013
Authored by James Forshaw

A bug exists in the processing of the output length of an HMAC-based XML Signature that would cause a denial of service when processing specially chosen input. Exploitation of this issue does not require authenticated content. In very unusual cases, inputs could be chosen in such a way that the fix for the issue in CVE-2009-0217 could be bypassed, enabling improper verification of a signature. Versions prior to 1.7.1 are affected.

tags | advisory, denial of service
advisories | CVE-2013-2155
MD5 | a1fb07cc6fa97feddc0acf800c8a09d8
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