SB2020052802 - HTTP Request Smuggling in Puma web server for Ruby
Published: May 28, 2020
Security Bulletin ID
SB2020052802
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-11076)
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 update from vendor's website.