CVE-2024-27354
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
CVE Program Container
Additional References
- https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
- https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
References
- https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
- https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.