CVE-2023-52892
June 27, 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.
Affected Packages
phpseclib/phpseclib (PHP):
Affected version(s) >=2.0.0 <2.0.46Fix Suggestion:
Update to version 2.0.46phpseclib/phpseclib (PHP):
Affected version(s) >=dev-master <1.0.22Fix Suggestion:
Update to version 1.0.22phpseclib/phpseclib (PHP):
Affected version(s) >=3.0.0 <3.0.33Fix Suggestion:
Update to version 3.0.33Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Interpretation Conflict
EPSS
Base Score:
0.18
