Vulnerability Details : 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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2011-2516
- cpe:2.3:a:apache:xml_security_for_c\+\+:1.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:*:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.4:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3f:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:shibboleth-sp:1.3.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2516
2.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2516
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-2516
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2516
-
http://santuario.apache.org/secadv/CVE-2011-2516.txt
404 Not FoundVendor Advisory
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http://www.securitytracker.com/id?1025755
Apache Santuario Buffer Overflow Lets Remote Users Deny Service - SecurityTracker
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http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
[SECURITY] Fedora 15 Update: xml-security-c-1.5.1-5.fc15
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https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
svn commit: r1049214 - in /websites/production/santuario/content: cache/main.pageCache download.html index.html javaindex.html javareleasenotes.html secadv.data/CVE-2019-12400.asc secadv.html-Apache M
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https://issues.apache.org/jira/browse/SANTUARIO-271
[SANTUARIO-271] Bug when signing files with big RSA keys - ASF JIRAExploit
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https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
Apache XML Security denial of service CVE-2011-2516 Vulnerability Report
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https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
svn commit: r1076843 - in /websites/production/santuario/content: cache/main.pageCache index.html javaindex.html secadv.data/CVE-2021-40690.txt.asc secadv.html-Apache Mail Archives
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http://www.securityfocus.com/archive/1/518756/100/0/threaded
SecurityFocus
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http://shibboleth.internet2.edu/secadv/secadv_20110706.txt
Shibboleth | Internet2Vendor Advisory
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http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
[SECURITY] Fedora 14 Update: xml-security-c-1.5.1-4.fc14
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http://www.debian.org/security/2011/dsa-2277
Debian -- Security Information -- DSA-2277-1 xml-security-c
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http://www.securityfocus.com/bid/48611
Apache XML Security for C++ Signature Key Parsing Denial of Service Vulnerability
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