Input validation error in WinDjView - CVE-2017-7894

 

Input validation error in WinDjView - CVE-2017-7894

Published: July 5, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU38776
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/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-2017-7894
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Andrii Zhezherun
Affected software:
WinDjView

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

WinDjView 2.1 might allow user-assisted attackers to execute code via a crafted .djvu file, because of a "User Mode Write AV near NULL" in WinDjView.exe. One threat model is a victim who obtains an untrusted .djvu file from a remote location and issues several user-defined commands.


How to mitigate CVE-2017-7894

Install update from vendor's website.

Sources