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Alpine: krb5: security update to 1.14.3-r0

medium Tenable Self-Hosted Container Security Plugin ID 405091

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2016-3120)

See Also

https://security.alpinelinux.org/vuln/CVE-2016-3120

Plugin Details

Severity: Medium

ID: 405091

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2016-3120

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/26/2016

Reference Information

CVE: CVE-2016-3120

BID: 92132