CVE-2024-27355
HIGH EPSS 42.6%
Published Mar 1, 20242y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
Published Mar 1, 2024 2y ago
Last Modified Jun 17, 2026 2w ago
Description
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).
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
42.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-400 Uncontrolled Resource Consumption Resource Mgmt
Affected Products 4
References 4
- gist.github.com https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
- github.com https://github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php#L1129
- lists.debian.org https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
- lists.debian.org https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.