CVE-2023-52892

State: Published
Severity: 7.5 High
Published: Jun 27, 2024
Updated: Aug 21, 2024
Reserved: Jun 27, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-436 Interpretation Conflict

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/phpseclib/phpseclib/issues/1943
https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
https://github.com/x509-name-testing/name_testing_artifacts

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