#VU77305 Inconsistent interpretation of HTTP requests in Bottle - CVE-2020-28473
Published: June 14, 2023
Vulnerability identifier: #VU77305
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-28473
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Bottle
Bottle
Software vendor:
Bottle Micro Web Framework
Bottle Micro Web Framework
Description
The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.
The vulnerability exists due to the usage of a vector called parameter cloaking. A remote attacker can trick the victim into opening a specially crafted HTTP request, smuggle arbitrary HTTP headers and cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server.
Remediation
Install updates from vendor's website.