CVE-2022-47629

moderate-risk
Published 2022-12-20

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

Do I need to act?

~
1.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: bffa9b346071725363a483db547e7dced9721cb5
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Libksba

Affected Vendors

Debian Gnupg

References (12)

Patch https://dev.gnupg.org/T6284
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=f61a5ea4e0...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html
Third Party Advisory https://security.gentoo.org/glsa/202212-07
https://security.netapp.com/advisory/ntap-20230316-0011/
Third Party Advisory https://www.debian.org/security/2022/dsa-5305
Patch https://dev.gnupg.org/T6284
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=f61a5ea4e0...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html
Third Party Advisory https://security.gentoo.org/glsa/202212-07
https://security.netapp.com/advisory/ntap-20230316-0011/
Third Party Advisory https://www.debian.org/security/2022/dsa-5305
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 9/34 · Low