CVE-2024-27354 is a denial-of-service vulnerability affecting phpseclib versions 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36, including Debian distributions. An unauthenticated attacker can craft a malicious certificate with an excessively large prime number, causing significant CPU consumption during a primality check and leading to a denial of service. This vulnerability has a CVSS score of 7.5 (High) due to its network-based attack vector and high impact on availability, requiring no user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, < 1.0.23CPE matchmatch criteria | cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.0.47CPE matchmatch criteria | cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* | ||
>= 3.0.0, < 3.0.36CPE matchmatch criteria | cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.