Improper Certificate Validation Affecting botan package, versions [,2.19.5)[3.0.0,3.5.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published9 Jul 2024
- disclosed8 Jul 2024
- creditUnknown
Introduced: 8 Jul 2024
CVE-2024-39312 (opens in a new tab)How to fix?
Upgrade botan to version 2.19.5, 3.5.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Certificate Validation due to the parsing of name constraint extensions in X.509 certificates. An attacker can bypass security restrictions by presenting a certificate that is incorrectly validated against only permitted subtrees while ignoring excluded subtrees.