CVE-2022-47629

Publication date 20 December 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

Status

Package Ubuntu Release Status
libksba 23.04 lunar
Fixed 1.6.3-2
22.10 kinetic
Fixed 1.6.0-3ubuntu1.1
22.04 LTS jammy
Fixed 1.6.0-2ubuntu0.2
20.04 LTS focal
Fixed 1.3.5-2ubuntu0.20.04.2
18.04 LTS bionic
Fixed 1.3.5-2ubuntu0.18.04.2
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libksba

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references