CVE-2018-20177 is a critical integer overflow vulnerability in rdesktop versions up to and including v1.8.3, leading to a heap-based buffer overflow in the rdp_in_unistr() function. This flaw can result in memory corruption and potentially remote code execution, affecting products like Debian, openSUSE, and rdesktop itself. With a CVSS score of 9.8 (Critical), it has a low attack complexity and requires no user interaction or privileges, allowing for complete compromise of confidentiality, integrity, and availability. Despite its severity, 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 |
|---|---|---|---|
<= 1.8.3CPE matchmatch criteria | cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* | ||
sle-15CPE matchmatch criteria | cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
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.
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.