NULL pointer dereference in Janus WebRTC Server - CVE-2020-13898
Published: July 15, 2020 / Updated: September 1, 2020
Vulnerability identifier: #VU29931
CSH Severity: Medium
CVSS v4.0: 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/E:P/U:Green
CVE-ID: CVE-2020-13898
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Meetecho
Affected software:
Janus WebRTC Server
Janus WebRTC Server
Detailed vulnerability 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 "janus_sdp_process" in the "sdp.c" file. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2020-13898
Install update from vendor's website.