Vulnerability Monitor

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CVE-2011-2516

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.

Published

2011-07-11T20:55:01.380

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	xml_security_for_c\+\+	1.6.0	Yes
Application	shibboleth	shibboleth-sp	≤ 2.4.2	Yes
Application	shibboleth	shibboleth-sp	1.3.1	Yes
Application	shibboleth	shibboleth-sp	1.3.2	Yes
Application	shibboleth	shibboleth-sp	1.3.3	Yes
Application	shibboleth	shibboleth-sp	1.3.4	Yes
Application	shibboleth	shibboleth-sp	1.3.5	Yes
Application	shibboleth	shibboleth-sp	1.3f	Yes
Application	shibboleth	shibboleth-sp	2.0	Yes
Application	shibboleth	shibboleth-sp	2.1	Yes
Application	shibboleth	shibboleth-sp	2.2	Yes
Application	shibboleth	shibboleth-sp	2.2.1	Yes
Application	shibboleth	shibboleth-sp	2.3	Yes
Application	shibboleth	shibboleth-sp	2.3.1	Yes
Application	shibboleth	shibboleth-sp	2.4	Yes
Application	shibboleth	shibboleth-sp	2.4.1	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html ([email protected])
http://santuario.apache.org/secadv/CVE-2011-2516.txt Vendor Advisory ([email protected])
http://secunia.com/advisories/45151 Vendor Advisory ([email protected])
http://secunia.com/advisories/45191 Vendor Advisory ([email protected])
http://secunia.com/advisories/45198 ([email protected])
http://secunia.com/advisories/45491 ([email protected])
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt Vendor Advisory ([email protected])
http://www.debian.org/security/2011/dsa-2277 ([email protected])
http://www.securityfocus.com/archive/1/518756/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/48611 ([email protected])
http://www.securitytracker.com/id?1025755 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420 ([email protected])
https://issues.apache.org/jira/browse/SANTUARIO-271 Exploit ([email protected])
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E ([email protected])
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html (af854a3a-2127-422b-91ae-364da2661108)
http://santuario.apache.org/secadv/CVE-2011-2516.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45151 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45191 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45198 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45491 (af854a3a-2127-422b-91ae-364da2661108)
http://shibboleth.internet2.edu/secadv/secadv_20110706.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2011/dsa-2277 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/518756/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48611 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025755 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/68420 (af854a3a-2127-422b-91ae-364da2661108)
https://issues.apache.org/jira/browse/SANTUARIO-271 Exploit (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)