CVE-2023-52892

Name confusion in x509 Subject Alternative Name fields

Description

In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.

Patch Available

Fix available through Seal Security.  
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Fix without upgrading

Score

Severity

Ecosystem

Publish Date

June 27, 2024

Modified Date

June 28, 2024

Score Vector

Affected Versions