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Alpine: krb5: security update to 1.17.2-r0

high Tenable Cloud Security Plugin ID 405096

Description

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

 - MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an
 ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths
 lacks a recursion limit. (CVE-2020-28196)

See Also

https://security.alpinelinux.org/vuln/CVE-2020-28196

Plugin Details

Severity: High

ID: 405096

Version: Revision 1.29

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: Medium

Score: 5.7

Percentile: 96.65

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-28196

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 11/5/2020

Reference Information

CVE: CVE-2020-28196