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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:Jul 11, 2011
    Last Modified:Apr 11, 2025
    EPS:Jul 11, 2011
    EPSS Score:0.07303
    CVSS Score:5

    Affected Products

    Vendor
    Apache
    Product
    Xml Security For C\+\+
    Vendor
    Shibboleth
    Product
    Shibboleth-sp

    Exploits

    https://issues.apache.org/jira/browse/SANTUARIO-271https://issues.apache.org/jira/browse/SANTUARIO-271

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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://secunia.com/advisories/45151
    http://secunia.com/advisories/45191
    http://secunia.com/advisories/45198
    http://secunia.com/advisories/45491
    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
    https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
    https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
    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://secunia.com/advisories/45151
    http://secunia.com/advisories/45191
    http://secunia.com/advisories/45198
    http://secunia.com/advisories/45491
    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
    https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
    https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High