#VU56023 Missing Authorization


Published: 2021-08-22 | Updated: 2022-10-19

Vulnerability identifier: #VU56023

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-33197

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to an error in some configurations of ReverseProxy (from net/http/httputil). A remote attacker can drop arbitrary headers and bypass authorization process. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.16 - 1.16.4, 1.15 - 1.15.12


CPE

External links
http://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
http://groups.google.com/g/golang-announce


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability