Input validation error in Debian Linux - CVE-2017-12185
Published: January 24, 2018 / Updated: August 4, 2020
Vulnerability identifier: #VU33519
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-12185
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Affected software
Debian Linux
Slackware Linux
xorg-server (Alpine package)
Slackware Linux
xorg-server (Alpine package)
How to mitigate CVE-2017-12185
Install update from vendor's website.
xorg-server (Alpine package) - update to 1.19.5-r0