GHSA-2528-jw5q-ww88

phpseclib: guardrails needed on isPrime and randomPrime

Source: GitHub Advisory Database (reviewed) High CVE-2024-27354

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	phpseclib/phpseclib	>= 0.1.1, < 1.0.23	1.0.23
Packagist	phpseclib/phpseclib	>= 2.0.0, < 2.0.47	2.0.47
Packagist	phpseclib/phpseclib	>= 3.0.0, < 3.0.36	3.0.36

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact Anyone trying to generate a prime and testing the primality of a number. ### Patches https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575 ### Workarounds Using the GMP extension would probably help, assuming that one has its own guardrails. ### Resources https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575 https://www.usenix.org/system/files/conference/usenixsecurity25/sec25cycle1-prepub-599-shi-bing.pdf

References

External links from the advisory. They lead to third-party sites.

https://github.com/phpseclib/phpseclib/security/advisories/GHSA-2528-jw5q-ww88 web
https://nvd.nist.gov/vuln/detail/CVE-2024-27354 advisory
https://github.com/phpseclib/phpseclib/commit/2870c8fab3f132d2ed40a66c97a36fe5ab625698 web
https://github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575 web
https://github.com/phpseclib/phpseclib/commit/c55b75199ec8d12cec6eadf6da99da4a3712fe56 web
https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b web
https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27354.yaml web
https://github.com/phpseclib/phpseclib package
https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 web
https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html web
https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html web