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.
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
| Link | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2135610 | issue tracking exploit third party advisory |
| https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html | third party advisory |
| https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b | exploit third party advisory patch |
| https://access.redhat.com/security/cve/CVE-2022-3515 | third party advisory patch |
| https://security.netapp.com/advisory/ntap-20230706-0008/ |