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AUSCERT External Security Bulletin Redistribution
ESB-2023.3834
USN-6208-1: Gorilla WebSocket vulnerability
7 July 2023
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AusCERT Security Bulletin Summary
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Product: Gorilla WebSocket
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2020-27813
Original Bulletin:
https://ubuntu.com/security/notices/USN-6208-1
Comment: CVSS (Max): 7.5 CVE-2020-27813 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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USN-6208-1: Gorilla WebSocket vulnerability
6 July 2023
Gorilla WebSocket could be made to crash if it received specially crafted
network traffic.
Releases
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
Packages
o golang-websocket – Go package implementing the WebSocket protocol
Details
It was discovered that Gorilla WebSocket incorrectly handled decoding WebSocket
frames. An attacker could possibly use this issue to cause a crash, resulting
in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o golang-websocket-dev – 1.2.0-1ubuntu2+esm1
Available with Ubuntu Pro
Ubuntu 16.04
o golang-websocket-dev – 0.0~git20150811.0.b6ab76f-1ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-27813
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