Alpine: multiple krb5 packages: security update to 1.15.3-r1 (deprecated)

medium Tenable Cloud Security Plugin ID 400635

Description

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

- A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an
attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the
attacker can crash the KDC by making an S4U2Self request. (CVE-2018-20217)

Plugin Details

Severity: Medium

ID: 400635

Version: Revision 1.25

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.09

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2018-20217

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:H/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

Patch Publication Date: 1/7/2019

Vulnerability Publication Date: 12/8/2018

Reference Information

CVE: CVE-2018-20217

BID: 106334

Detections

Analytics