CVE-2011-1530

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    CVE-2011-1530

    Published: 8 Dec 2011Last Modified: 10 Apr 2026

    Summary:

    Details: The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

    References: http://secunia.com/advisories/47124, http://www.mandriva.com/security/advisories?name=MDVSA-2011:184, http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt, http://securitytracker.com/id?1026374, http://www.redhat.com/support/errata/RHSA-2011-1790.html, http://www.securityfocus.com/archive/1/520756/100/0/threaded, http://www.securityfocus.com/bid/50929, https://exchange.xforce.ibmcloud.com/vulnerabilities/71655

    Affected packages

    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
    CVE-2011-1530 | CVE-DB