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NVD Vulnerability Details :
CVE-2016-3120
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-01 Aug, 2016 | 02:59
Updated At-06 May, 2026 | 22:30

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.06.5MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary2.04.0MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
Type: Primary
Version: 3.0
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 4.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CPE Matches
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13
cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.1
cpe:2.3:a:mit:kerberos_5:1.13.1:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.2
cpe:2.3:a:mit:kerberos_5:1.13.2:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.3
cpe:2.3:a:mit:kerberos_5:1.13.3:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.4
cpe:2.3:a:mit:kerberos_5:1.13.4:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.5
cpe:2.3:a:mit:kerberos_5:1.13.5:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.13.6
cpe:2.3:a:mit:kerberos_5:1.13.6:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.14
cpe:2.3:a:mit:kerberos_5:1.14:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.14.1
cpe:2.3:a:mit:kerberos_5:1.14.1:*:*:*:*:*:*:*
MIT (Massachusetts Institute of Technology)
mit
>>kerberos_5>>1.14.2
cpe:2.3:a:mit:kerberos_5:1.14.2:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-476Primarynvd@nist.gov
CWE ID: CWE-476
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458cve@mitre.org
Issue Tracking
http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.htmlcve@mitre.org
N/A
http://rhn.redhat.com/errata/RHSA-2016-2591.htmlcve@mitre.org
N/A
http://web.mit.edu/kerberos/krb5-1.13/cve@mitre.org
N/A
http://web.mit.edu/kerberos/krb5-1.14/cve@mitre.org
N/A
http://www.securityfocus.com/bid/92132cve@mitre.org
N/A
http://www.securitytracker.com/id/1036442cve@mitre.org
N/A
https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7cve@mitre.org
N/A
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.htmlcve@mitre.org
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/cve@mitre.org
N/A
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
http://rhn.redhat.com/errata/RHSA-2016-2591.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
http://web.mit.edu/kerberos/krb5-1.13/af854a3a-2127-422b-91ae-364da2661108
N/A
http://web.mit.edu/kerberos/krb5-1.14/af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securityfocus.com/bid/92132af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securitytracker.com/id/1036442af854a3a-2127-422b-91ae-364da2661108
N/A
https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7af854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.debian.org/debian-lts-announce/2018/01/msg00040.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/af854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458
Source: cve@mitre.org
Resource:
Issue Tracking
Hyperlink: http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://rhn.redhat.com/errata/RHSA-2016-2591.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://web.mit.edu/kerberos/krb5-1.13/
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://web.mit.edu/kerberos/krb5-1.14/
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/92132
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.securitytracker.com/id/1036442
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Issue Tracking
Hyperlink: http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://rhn.redhat.com/errata/RHSA-2016-2591.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://web.mit.edu/kerberos/krb5-1.13/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://web.mit.edu/kerberos/krb5-1.14/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/92132
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securitytracker.com/id/1036442
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found