PT-2022-5138 · Libksba+10 · Libksba+10
Tej Rathi
·
Published
2022-10-17
·
Updated
2025-10-17
·
CVE-2022-3515
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Libksba (affected versions not specified)
Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment. This issue is related to the parsing of ASN.1 structures used in S/MIME, X.509, and CMS, which can lead to the execution of arbitrary code when handling encrypted or signed data in GnuPG.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Libksba
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu