Vulnerability CVE-2013-2155
Published: 2013-08-20   Modified: 2013-08-21

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Apache Santuario XML Security for C++ DoS & hash length bypass
James Forshaw
18.06.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Apache -> Xml security for c++ 

 References:
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0142.html
http://santuario.apache.org/secadv.data/CVE-2013-2155.txt
http://svn.apache.org/viewvc/santuario/xml-security-cpp/trunk/xsec/dsig/DSIGAlgorithmHandlerDefault.cpp?r1=1125752&r2=1493960&pathrev=1493960&diff_format=h
http://www.debian.org/security/2013/dsa-2710
https://www.tenable.com/security/tns-2018-15
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