Type conversion in VLC Media Player - CVE-2017-17670

 

Type conversion in VLC Media Player - CVE-2017-17670

Published: May 18, 2018 / Updated: May 18, 2018


Vulnerability identifier: #VU12836
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-2017-17670
CWE-ID: CWE-704
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: VideoLAN
Affected software:
VLC Media Player

Detailed vulnerability description

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

The weakness exists in modules/demux/mp4/libmp4.c in the MP4 demux module due to type conversion leading to a invalid free, because the type of a box may be changed between a read operation and a free operation. A remote attacker can trick the victim into opening specially crafted input and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


How to mitigate CVE-2017-17670

Install update from vendor's website.

Sources