#VU72886 Inconsistent interpretation of HTTP requests in Go Net - CVE-2022-41721
Published: March 6, 2023
Vulnerability identifier: #VU72886
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-41721
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Go Net
Go Net
Software vendor:
Google
Description
The vulnerability allows a remote attacker to perform HTTP/2 request smuggling attacks.
The vulnerability exists due to improper validation of HTTP/2 requests when using MaxBytesHandler. A remote attacker can send a specially crafted HTTP/2 request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
Remediation
Install updates from vendor's website.