NULL pointer dereference in Libav - CVE-2017-17129
Published: December 4, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37866
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-2017-17129
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Libav
Affected software:
Libav
Libav
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The ff_vc1_mc_4mv_chroma4 function in libavcodec/vc1_mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.
How to mitigate CVE-2017-17129
Install update from vendor's website.