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CVE-2024-27355

Good to know:

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Date: February 29, 2024

An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID).

Language: PHP

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2024-27355
https://github.com/phpseclib/phpseclib/commit/e32531001b4d62c66c3d824ccef54ffad835eb59
https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27355.yaml
https://github.com/advisories/GHSA-jr22-8qgm-4q87
https://github.com/phpseclib/phpseclib
https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
https://github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php#L1129
https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
https://www.mend.io/vulnerability-database/CVE-2024-27355

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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Upgrade to version 1.0.23,2.0.47,3.0.36

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CVSS v3.1

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

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