Vulnerability CVE-2011-2516
Published: 2011-07-11   Modified: 2012-02-13

Description:
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.

Type:

CWE-189

 (Numeric Errors)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Shibboleth -> Shibboleth-sp 
Apache xml security for c++ -> 1.6.0 
Apache -> Xml security for c++ 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
http://santuario.apache.org/secadv/CVE-2011-2516.txt
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt
http://www.debian.org/security/2011/dsa-2277
http://www.securityfocus.com/archive/1/518756/100/0/threaded
http://www.securityfocus.com/bid/48611
http://www.securitytracker.com/id?1025755
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
https://issues.apache.org/jira/browse/SANTUARIO-271
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