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    CVE-2012-1013

    The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.

    Published:Jun 1, 2012
    Last Modified:Apr 11, 2025
    EPS:Jun 7, 2012
    EPSS Score:0.01108
    CVSS Score:4

    Affected Products

    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77bhttps://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-40356 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if …
    CVE-2026-40355 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_ac…
    CVE-2024-37370 (CVSS 7.5) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confid…
    CVE-2024-37371 (CVSS 9.1) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message toke…
    CVE-2024-26462 (CVSS 5.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.…
    CVE-2024-26461 (CVSS 7.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.…
    CVE-2024-26458 (CVSS 5.3) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.…
    CVE-2025-24528 (CVSS 7.1) — In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a la…
    CVE-2023-39975 (CVSS 8.8) — kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an aut…
    CVE-2023-36054 (CVSS 6.5) — lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitia…

    References

    http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
    http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
    http://rhn.redhat.com/errata/RHSA-2012-1131.html
    http://web.mit.edu/kerberos/krb5-1.10/
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
    http://www.securityfocus.com/bid/53784
    https://bugzilla.redhat.com/show_bug.cgi?id=827517
    https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
    https://hermes.opensuse.org/messages/15083635
    http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
    http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
    http://rhn.redhat.com/errata/RHSA-2012-1131.html
    http://web.mit.edu/kerberos/krb5-1.10/
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
    http://www.securityfocus.com/bid/53784
    https://bugzilla.redhat.com/show_bug.cgi?id=827517
    https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
    https://hermes.opensuse.org/messages/15083635

    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