Buffer overflow in Janus WebRTC Server - CVE-2020-14034
Published: July 15, 2020
Vulnerability identifier: #VU29935
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-14034
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Meetecho
Affected software:
Janus WebRTC Server
Janus WebRTC Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in "janus_get_codec_from_pt" in the "utils.c" file. A remote attacker can use a specially crafted SDP Offer packet, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-14034
Install update from vendor's website.