CVE-2024-27354
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.
| Software | From | Fixed in |
|---|---|---|
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 | 10.0.x |
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27354.yaml
- https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49
- https://github.com/phpseclib/phpseclib/commit/2870c8fab3f132d2ed40a66c97a36fe5ab625698
- https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575
- https://github.com/phpseclib/phpseclib/commit/c55b75199ec8d12cec6eadf6da99da4a3712fe56
- https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html
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