Input validation error in gnome-desktop - CVE-2019-11460

 

Input validation error in gnome-desktop - CVE-2019-11460

Published: September 2, 2019


Vulnerability identifier: #VU20504
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-11460
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
gnome-desktop

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper filtering of the TIOCSTI ioctl on 64-bit systems. A remote attacker can compromise the thumbnailer and escape the bubblewrap sandbox used to confine thumbnailers by using the TIOCSTI ioctl to push characters into the input buffer of the thumbnailer's controlling terminal.




How to mitigate CVE-2019-11460

Install updates from vendor's website.

Sources