#VU17699 Out-of-bounds write in GPAC - CVE-2018-20760

 

#VU17699 Out-of-bounds write in GPAC - CVE-2018-20760

Published: February 14, 2019


Vulnerability identifier: #VU17699
Vulnerability risk: High
CVSSv4.0: 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:P/U:Amber
CVE-ID: CVE-2018-20760
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GPAC
Software vendor:
GPAC

Description

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

The vulnerability exists due to due to improper handling of a certain -1 return value. A remote attacker can trick the victim into executing the MP4Box command on a SubRip Subtitle (SRT) file that submits malicious input, trigger an out-of-bounds write condition in the gf_text_get_utf8_line function and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


Remediation

Install updates from vendor's website.

External links