Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2016-3120 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458	CVE	Issue Tracking
http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html	CVE
http://rhn.redhat.com/errata/RHSA-2016-2591.html	CVE
https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7	CVE
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/	CVE
http://web.mit.edu/kerberos/krb5-1.13/	CVE
http://web.mit.edu/kerberos/krb5-1.14/	CVE
http://www.securityfocus.com/bid/92132	CVE
http://www.securitytracker.com/id/1036442	CVE
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458	[email protected]	Issue Tracking
http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html	[email protected]
http://rhn.redhat.com/errata/RHSA-2016-2591.html	[email protected]
https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7	[email protected]
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/	[email protected]
http://web.mit.edu/kerberos/krb5-1.13/	[email protected]
http://web.mit.edu/kerberos/krb5-1.14/	[email protected]
http://www.securityfocus.com/bid/92132	[email protected]
http://www.securitytracker.com/id/1036442	[email protected]

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
mit kerberos 5	1.13 1.13.1 1.13.2 1.13.3 1.13.4
CPE cpe:2.3:a:mit:kerberos_5:1.13:::::::* cpe:2.3:a:mit:kerberos_5:1.13.1:::::::* cpe:2.3:a:mit:kerberos_5:1.13.2:::::::* cpe:2.3:a:mit:kerberos_5:1.13.3:::::::* cpe:2.3:a:mit:kerberos_5:1.13.4:::::::* cpe:2.3:a:mit:kerberos_5:1.13.5:::::::* cpe:2.3:a:mit:kerberos_5:1.13.6:::::::* cpe:2.3:a:mit:kerberos_5:1.14:::::::* cpe:2.3:a:mit:kerberos_5:1.14.1:::::::* cpe:2.3:a:mit:kerberos_5:1.14.2:::::::* Remediation No remediation found in references.

Product

Versions

mit kerberos 5

1.13

1.13.1

1.13.2

1.13.3

1.13.4

CPE

cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.4:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.5:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.13.6:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.14.2:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

21 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Feb 4, 2018	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Sep 1, 2017	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Aug 1, 2016	Modified Analysis	[email protected]
Aug 1, 2016	Initial Analysis	[email protected]