Published: 19/02/2015 Updated: 21/01/2020

CVSS v2 Base Score: 6.1 | Impact Score: 8.5 | Exploitability Score: 3.9

VMScore: 544

Vector: AV:N/AC:H/Au:S/C:P/I:P/A:C

The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) up to and including 1.11.5, 1.12.x up to and including 1.12.2, and 1.13.x prior to 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial "kadmind" substring, as demonstrated by a "ka/x" principal.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mit kerberos 5 1.11.5
mit kerberos 5 1.12
mit kerberos 5 1.11.3
mit kerberos 5 1.11.4
mit kerberos 5 1.11.1
mit kerberos 5 1.11.2
mit kerberos 5 1.13
mit kerberos 5 1.11
mit kerberos 5 1.12.1
mit kerberos 5 1.12.2

Several security issues were fixed in Kerberos ...

A use-after-free flaw was found in the way the MIT Kerberos libgssapi_krb5 library processed valid context deletion tokens An attacker able to make an application using the GSS-API library (libgssapi) could call the gss_process_context_token() function and use this flaw to crash that application (CVE-2014-5352) If kadmind were used with an LDAP b ...

It was found that the MIT Kerberos administration server (kadmind) incorrectly accepted certain authentication requests for two-component server principal names A remote attacker able to acquire a key with a particularly named principal (such as "kad/x") could use this flaw to impersonate any user to kadmind, and perform administrative actions as ...

CWE-284 https://github.com/krb5/krb5/commit/6609658db0799053fbef0d7d0aa2f1fd68ef32d8 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txt http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html http://www.debian.org/security/2015/dsa-3153 http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html http://rhn.redhat.com/errata/RHSA-2015-0439.html http://lists.opensuse.org/opensuse-updates/2015-02/msg00044.html http://www.ubuntu.com/usn/USN-2498-1 http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html http://www.mandriva.com/security/advisories?name=MDVSA-2015:069 http://rhn.redhat.com/errata/RHSA-2015-0794.html http://www.securityfocus.com/bid/72494 https://usn.ubuntu.com/2498-1/https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2014-9422

CVE-2014-9422

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