CVEvulnerability
CVE-2024-27354
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2024-03-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
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. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.
Affected configurations
• phpseclib phpseclib (>= 1.0.0 < 1.0.23)
• phpseclib phpseclib (>= 2.0.0 < 2.0.47)
• phpseclib phpseclib (>= 3.0.0 < 3.0.36)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b Third Party Advisory
- https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 Product
- https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html Mailing List, Third Party Advisory
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b Third Party Advisory
- https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 Product
- https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html Mailing List, Third Party Advisory