CVE-2023-27560 — Infinite Loop in Phpseclib

CWE-835 — Infinite LoopCWE-400 — Uncontrolled Resource Consumption10 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 49.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
PhpseclibDebian Php-phpseclibDebian Php-phpseclib3+2 more
Timeline
PublishedMar 3
Latest updateMar 2

Description

Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/phpseclib< php-phpseclib 2.0.42-1+deb12u2 (bookworm)
▶NVDphpseclib/phpseclib3.0.0 — 3.0.19+3
▶Packagistphpseclib/phpseclib3.0.0 — 3.0.19+3
▶debiandebian/php-phpseclib< php-phpseclib 2.0.42-1+deb12u2 (bookworm)
▶debiandebian/php-phpseclib3< php-phpseclib3 3.0.19-1 (bookworm)+1

Also affects: Debian Linux 10.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

6
OSV
phpseclib a large prime can cause a denial of service↗2024-03-02
▶
GHSA
phpseclib a large prime can cause a denial of service↗2024-03-02
▶
OSV
CVE-2024-27354: An issue was discovered in phpseclib 1↗2024-03-01
▶
OSV
CVE-2023-27560: Math/PrimeField↗2023-03-03
▶
GHSA
phpseclib Infinite Loop vulnerability↗2023-03-03
▶

📋Vendor Advisories

2
Debian
CVE-2024-27354: php-phpseclib - An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3...↗2024
▶
Debian
CVE-2023-27560: php-phpseclib3 - Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with com...↗2023
▶