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CVE-2023-52892

Good to know:

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Date: June 26, 2024

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.

Language: PHP

Severity Score

Related Resources (7)

https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
https://nvd.nist.gov/vuln/detail/CVE-2023-52892
https://github.com/phpseclib/phpseclib
https://github.com/phpseclib/phpseclib/issues/1943
https://github.com/x509-name-testing/name_testing_artifacts
https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
https://www.mend.io/vulnerability-database/CVE-2023-52892

Severity Score

Weakness Type (CWE)

Interpretation Conflict

CWE-436

Top Fix

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Upgrade Version

Upgrade to version phpseclib/phpseclib-1.0.22,2.0.46,3.0.33

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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