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CVE-2016-3120

nvd nist
Published: Aug 1, 2016Modified: May 6, 2026

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6.5
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.

Affected (10)

Products: Mit: Kerberos 5
Mit
1 product
Kerberos 5
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Mit
Kerberos 5
Version 1.13.1
Kerberos 5
Version 1.13.2
Kerberos 5
Version 1.13.3
Kerberos 5
Version 1.13.4
Kerberos 5
Version 1.13.5
Kerberos 5
Version 1.13.6
Kerberos 5
Version 1.13
Kerberos 5
Version 1.14.1
Kerberos 5
Version 1.14.2
Kerberos 5
Version 1.14

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (20)

Source: cve@mitre.org
Issue Tracking
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.