CVE-2018-7225 is a critical vulnerability in LibVNCServer versions up to 0.9.11, affecting products from Canonical, Debian, and Red Hat. The flaw, located in rfbProcessClientNormalMessage() in rfbserver.c, stems from improper sanitization of message length, allowing attackers to access uninitialized or sensitive data, or potentially cause an integer overflow via specially crafted VNC packets. With a CVSS score of 9.8 (CRITICAL), it presents a network-exploitable, low-complexity attack with high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and it's not listed in the KEV catalog, the vulnerability has garnered significant community discussion, indicating awareness and potential future interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.9.11CPE matchmatch criteria | cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.