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.
Products Affected
| Vendor | Product | Version |
|---|---|---|
| gnupg | vs-desktop | * |
| libksba_project | libksba | * |
| gnupg | gnupg | * |
| gpg4win | gpg4win | * |
Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| libksba_project | libksba | * |
| debian | debian_linux | 11.0 |
| debian | debian_linux | 10.0 |