Heap-based buffer overflow in FFmpeg - CVE-2017-7862
Published: November 27, 2018 / Updated: November 27, 2018
Vulnerability identifier: #VU16069
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7862
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow related to the decode_frame function in libavcodec/pictordec.c. A remote unauthenticated attacker can supply specially crafted input, trigger out-of-bounds write and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FFmpeg
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2017-7862
Install update from vendor's website.