Buffer overflow in gtk-vnc - CVE-2017-1000044

 

Buffer overflow in gtk-vnc - CVE-2017-1000044

Published: August 3, 2020


Vulnerability identifier: #VU32991
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-1000044
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
gtk-vnc

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

gtk-vnc 0.4.2 and older doesn't check framebuffer boundaries correctly when updating framebuffer which may lead to memory corruption when rendering.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2017-1000044

Install updates from vendor's website.

Sources