NULL pointer dereference in Janus WebRTC Server - CVE-2020-13900
Published: July 15, 2020 / Updated: September 1, 2020
Vulnerability identifier: #VU29932
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13900
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
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 "janus_sdp_preparse" in the "sdp.c" file. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Janus WebRTC Server
How to mitigate CVE-2020-13900
Install update from vendor's website.
Janus WebRTC Server - update to 0.10.1