Out-of-bounds read in Libav - CVE-2017-7206
Published: March 21, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39420
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7206
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Libav
Affected software:
Libav
Libav
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in The ff_h2645_extract_rbsp function in libavcodec in libav 9.21. A remote attacker can perform a denial of service (heap-based buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.
How to mitigate CVE-2017-7206
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.