CVE-2011-2516

N/A Unknown
Published: July 11, 2011 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://santuario.apache.org/secadv/CVE-2011-2516.txt
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/45151
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/45191
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/45198
Source: secalert@redhat.com
http://secunia.com/advisories/45491
Source: secalert@redhat.com
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt
Source: secalert@redhat.com
Vendor Advisory
http://www.securityfocus.com/bid/48611
Source: secalert@redhat.com
https://issues.apache.org/jira/browse/SANTUARIO-271
Source: secalert@redhat.com
Exploit
http://santuario.apache.org/secadv/CVE-2011-2516.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/45151
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/45191
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/45198
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/45491
Source: af854a3a-2127-422b-91ae-364da2661108
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.debian.org/security/2011/dsa-2277
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/518756/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/48611
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1025755
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
Source: af854a3a-2127-422b-91ae-364da2661108
https://issues.apache.org/jira/browse/SANTUARIO-271
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit

32 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
7.7%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

shibboleth apache