High severityNVD Advisory· Published Mar 1, 2024· Updated Apr 22, 2025
CVE-2024-27354
CVE-2024-27354
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
phpseclib/phpseclibPackagist | >= 0.1.1, < 1.0.23 | 1.0.23 |
phpseclib/phpseclibPackagist | >= 2.0.0, < 2.0.47 | 2.0.47 |
phpseclib/phpseclibPackagist | >= 3.0.0, < 3.0.36 | 3.0.36 |
Affected products
2Patches
Vulnerability mechanics
References
11- github.com/advisories/GHSA-2528-jw5q-ww88ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-27354ghsaADVISORY
- gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0bghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27354.yamlghsaWEB
- github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.phpghsaWEB
- github.com/phpseclib/phpseclib/commit/2870c8fab3f132d2ed40a66c97a36fe5ab625698ghsaWEB
- github.com/phpseclib/phpseclib/commit/ad5dbdf2129f5e0fb644637770b7f33de8ca8575ghsaWEB
- github.com/phpseclib/phpseclib/commit/c55b75199ec8d12cec6eadf6da99da4a3712fe56ghsaWEB
- github.com/phpseclib/phpseclib/security/advisories/GHSA-2528-jw5q-ww88ghsaWEB
- lists.debian.org/debian-lts-announce/2024/03/msg00002.htmlghsamailing-listWEB
- lists.debian.org/debian-lts-announce/2024/03/msg00003.htmlghsamailing-listWEB
News mentions
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