#VU34930 NULL pointer dereference in Bento4 - CVE-2019-20091
Published: December 30, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU34930
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20091
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Bento4
Bento4
Software vendor:
axiomatic-systems
axiomatic-systems
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in Bento4 1.5.1.0. There is a NULL pointer dereference in AP4_Descriptor::GetTag in mp42ts when called from AP4_DecoderConfigDescriptor::GetDecoderSpecificInfoDescriptor in Ap4DecoderConfigDescriptor.cpp. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.