CVE-2013-1415

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    CVE-2013-1415

    Published: 5 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1.11.x before 1.11.1 does not properly handle errors during extraction of fields from an X.509 certificate, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed KRB5_PADATA_PK_AS_REQ AS-REQ request.

    References: http://krbdev.mit.edu/rt/Ticket/Display.html?id=7570, http://krbdev.mit.edu/rt/Ticket/Display.html?id=7577, http://lists.opensuse.org/opensuse-updates/2013-03/msg00090.html, http://secunia.com/advisories/55040, http://web.mit.edu/kerberos/www/krb5-1.10/, http://web.mit.edu/kerberos/www/krb5-1.11/, http://www.mandriva.com/security/advisories?name=MDVSA-2013:157, https://github.com/krb5/krb5/commit/f249555301940c6df3a2cdda13b56b5674eebc2e, http://lists.opensuse.org/opensuse-updates/2013-03/msg00090.html, https://github.com/krb5/krb5/commit/f249555301940c6df3a2cdda13b56b5674eebc2e

    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