<p>Upgrade <code>AlmaLinux:9</code> <code>krb5-workstation</code> to version 0:1.19.1-24.el9_1 or higher.<br>This issue was patched in <code>ALSA-2022:8637</code>.</p>

Integer Overflow or Wraparound Affecting krb5-workstation package, versions <0:1.19.1-24.el9_1

Threat Intelligence

0.98% (84^th percentile)

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Snyk ID SNYK-ALMALINUX9-KRB5WORKSTATION-5618746
published 28 May 2023
disclosed 28 Nov 2022

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Introduced: 28 Nov 2022

CVE-2022-42898 Open this link in a new tab CWE-190 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 krb5-workstation to version 0:1.19.1-24.el9_1 or higher.
This issue was patched in ALSA-2022:8637.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5-workstation package and not the krb5-workstation package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Integer Overflow or Wraparound Affecting krb5-workstation package, versions <0:1.19.1-24.el9_1

Severity

Based on AlmaLinux security rating