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Security Advisories: GSA_kwCzR0hTQS1oZzM1LW1wMjUtcWY2aM4AA5sw
phpseclib a large prime can cause a denial of service
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.
Permalink: https://github.com/advisories/GHSA-hg35-mp25-qf6hJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1oZzM1LW1wMjUtcWY2aM4AA5sw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 9 months ago
Updated: 4 months ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Identifiers: GHSA-hg35-mp25-qf6h, CVE-2024-27354
References:
- https://nvd.nist.gov/vuln/detail/CVE-2024-27354
- https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b
- 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
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2024-27354.yaml
- https://github.com/advisories/GHSA-hg35-mp25-qf6h
Blast Radius: 35.2
Affected Packages
packagist:phpseclib/phpseclib
Dependent packages: 1,138Dependent repositories: 49,762
Downloads: 317,799,133 total
Affected Version Ranges: >= 3.0.0, < 3.0.36, >= 2.0.0, < 2.0.47, >= 1.0.0, < 1.0.23
Fixed in: 3.0.36, 2.0.47, 1.0.23
All affected versions: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.8, 1.0.9, 1.0.10, 1.0.11, 1.0.12, 1.0.13, 1.0.14, 1.0.15, 1.0.16, 1.0.17, 1.0.18, 1.0.19, 1.0.20, 1.0.21, 1.0.22, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16, 2.0.17, 2.0.18, 2.0.19, 2.0.20, 2.0.21, 2.0.22, 2.0.23, 2.0.24, 2.0.25, 2.0.26, 2.0.27, 2.0.28, 2.0.29, 2.0.30, 2.0.31, 2.0.32, 2.0.33, 2.0.34, 2.0.35, 2.0.36, 2.0.37, 2.0.38, 2.0.39, 2.0.40, 2.0.41, 2.0.42, 2.0.43, 2.0.44, 2.0.45, 2.0.46, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.19, 3.0.20, 3.0.21, 3.0.22, 3.0.23, 3.0.33, 3.0.34, 3.0.35
All unaffected versions: 0.3.0, 0.3.1, 0.3.5, 0.3.6, 0.3.7, 0.3.8, 0.3.9, 0.3.10, 1.0.23, 2.0.47, 3.0.36, 3.0.37, 3.0.38, 3.0.39, 3.0.40, 3.0.41, 3.0.42