Seal Security

CVE-2023-52892

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.

Patch Available

Fix available through Seal Security. No upgrade required, protect your application instantly.

Fix without upgrading

Vulnerability Details

Score

7.5

Score Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Versions

phpseclib/phpseclib < 1.0.22; phpseclib/phpseclib >= 2.0.0 < 2.0.46; phpseclib/phpseclib >= 3.0.0 < 3.0.33

Severity

High

Ecosystem

PHP

Publish Date

June 27, 2024

Modified Date

June 28, 2024