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Alpine: multiple krb5 packages: security update to 1.19.3-r0

medium Tenable Self-Hosted Container Security Plugin ID 423999

Description

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

 - The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has
 a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
 (CVE-2021-37750)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-37750

Plugin Details

Severity: Medium

ID: 423999

Version: Revision 1.7

Type: Local

Published: 4/4/2025

Updated: 5/30/2025

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-2021-37750

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: 8/23/2021

Reference Information

CVE: CVE-2021-37750