CVE-2023-49316 — Excessive Iteration in Phpseclib

CWE-834 — Excessive IterationCWE-400 — Uncontrolled Resource Consumption5 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 64.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PhpseclibDebian Php-phpseclib3
Timeline
PublishedNov 27

Description

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.

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 Packages3 packages

▶NVDphpseclib/phpseclib3.0.0 — 3.0.34
▶Packagistphpseclib/phpseclib3.0.0 — 3.0.34
▶debiandebian/php-phpseclib3< php-phpseclib3 3.0.19-1+deb12u1 (bookworm)

Patches

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

🔴Vulnerability Details

3
OSV
CVE-2023-49316: In Math/BinaryField↗2023-11-27
▶
GHSA
phpseclib vulnerable to denial of service↗2023-11-27
▶
OSV
phpseclib vulnerable to denial of service↗2023-11-27
▶

📋Vendor Advisories

1
Debian
CVE-2023-49316: php-phpseclib3 - In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees ...↗2023
▶