#VU50957 Integer overflow in websocket - CVE-2020-27813
Published: February 25, 2021
Vulnerability identifier: #VU50957
Vulnerability risk: Medium
CVSSv4.0: 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:U/U:Green
CVE-ID: CVE-2020-27813
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
websocket
websocket
Software vendor:
gorilla
gorilla
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow when processing frames received via a websocket connection. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.