6.5

CVE-2016-3120

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.

Data is provided by the National Vulnerability Database (NVD)
MitKerberos 5 Version1.13
MitKerberos 5 Version1.13.1
MitKerberos 5 Version1.13.2
MitKerberos 5 Version1.13.3
MitKerberos 5 Version1.13.4
MitKerberos 5 Version1.13.5
MitKerberos 5 Version1.13.6
MitKerberos 5 Version1.14
MitKerberos 5 Version1.14.1
MitKerberos 5 Version1.14.2
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.89% 0.824
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.