CVE-2013-1417

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    CVE-2013-1417

    Published: 20 Nov 2013Last Modified: 16 Apr 2026

    Summary:

    Details: do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.

    References: https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc, https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc, https://bugzilla.redhat.com/show_bug.cgi?id=1030743, http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html, http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt

    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