Inconsistent interpretation of HTTP requests in Go Net - CVE-2022-41721
Published: March 6, 2023
Vulnerability identifier: #VU72886
CSH Severity: Medium
CVSS v4.0: 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
Vendor: Google
Affected software:
Go Net
Go Net
Detailed vulnerability 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.
How to mitigate CVE-2022-41721
Install updates from vendor's website.