CVE-2023-52892

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627	Patch
https://github.com/phpseclib/phpseclib/issues/1943	Exploit Issue Tracking
https://github.com/phpseclib/phpseclib/releases/tag/3.0.33	Release Notes
https://github.com/x509-name-testing/name_testing_artifacts	Not Applicable
https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627	Patch
https://github.com/phpseclib/phpseclib/issues/1943	Exploit Issue Tracking
https://github.com/phpseclib/phpseclib/releases/tag/3.0.33	Release Notes
https://github.com/x509-name-testing/name_testing_artifacts	Not Applicable

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:phpseclib:phpseclib::::::::
	cpe:2.3:a:phpseclib:phpseclib::::::::
	cpe:2.3:a:phpseclib:phpseclib::::::::

History

No history.

Information

Published : 2024-06-27 22:15

Updated : 2025-10-22 20:40

NVD link : CVE-2023-52892

Mitre link : CVE-2023-52892

CVE.ORG link : CVE-2023-52892

JSON object : View

Products Affected

phpseclib

phpseclib

CWE

CWE-436

Interpretation Conflict

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