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GHSA-ff7q-6vwh-v9m4: Name confusion in x509 Subject Alternative Name fields

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.

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#vulnerability#git#php#ssl

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2023-52892

Name confusion in x509 Subject Alternative Name fields

High severity GitHub Reviewed Published Jun 28, 2024 to the GitHub Advisory Database • Updated Jun 28, 2024

Package

composer phpseclib/phpseclib (Composer)

Affected versions

< 1.0.22

>= 2.0.0, < 2.0.46

>= 3.0.0, < 3.0.33

Patched versions

1.0.22

2.0.46

3.0.33

Description

Published to the GitHub Advisory Database

Jun 28, 2024

Last updated

Jun 28, 2024

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