#VU28303 Inconsistent interpretation of HTTP requests in Puma - CVE-2020-11076
Published: May 28, 2020 / Updated: June 3, 2020
Vulnerability identifier: #VU28303
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-11076
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Puma
Puma
Software vendor:
Evan Phoenix
Evan Phoenix
Description
The vulnerability allows a remote attacker to perform HTTP request smuggling attack.
The vulnerability exists due to improper input validation in the Transfer-Encoding Header. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.
Remediation
Install updates from vendor's website.