CVE-2016-3120

2016-08-0102:59:12

Alpine Linux Development Team

security.alpinelinux.org

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.2

Confidence

High

EPSS

0.049

Percentile

92.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Alpine3.2-mainnoarchkrb5< 1.13.6-r0UNKNOWN
Alpine3.3-mainnoarchkrb5< 1.14.3-r0UNKNOWN
Alpine3.4-mainnoarchkrb5< 1.14.3-r0UNKNOWN