CVE-2022-22824 is a critical integer overflow vulnerability in the Expat XML parser (libexpat) affecting versions prior to 2.4.3, specifically within the defineAttribute function in xmlparse.c. This flaw impacts various products, including Debian, Siemens, and Tenable, and has a CVSS score of 9.8, indicating a severe risk. The vulnerability allows for unauthenticated, low-complexity network attacks that can lead to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code (Metasploit, Nuclei, ExploitDB), it has garnered some community discussion and media coverage, notably regarding its impact on HP Teradici PCoIP endpoints.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.4.3CPE matchmatch criteria | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | ||
< 8.15.3CPE matchmatch criteria | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | ||
>= 10.0.0, < 10.1.1CPE matchmatch criteria | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022expat: Integer overflow in defineAttribute in xmlparse.c
Jan 15, 2022defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Jan 11, 2022