Input validation error in Libav - CVE-2018-20001
Published: July 28, 2019
Vulnerability identifier: #VU19518
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20001
CWE-ID: CWE-20
Exploitation vector: Remote 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 insufficient validation of user-supplied input within the range_decode_culshift function in libavcodec/apedec.c. A remote attacker can create a specially crafted file, pass it to the application and perform denial of service attack.
How to mitigate CVE-2018-20001
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.