SB2020032327 - Inconsistent interpretation of HTTP requests in py3-twisted (Alpine package)
Published: March 23, 2020
Security Bulletin ID
SB2020032327
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-2020-10109)
The vulnerability allows a remote attacker to perform HTTP request smuggling attack.
The vulnerability exists due to insufficient input validation when processing Content-length and a Chunked encoding header, sent within one HTTP request. The Content-length header took precedence and the remainder of the request body was interpreted as a pipelined request. A remote attacker can send a specially crafted HTTP request to the affected web server and poison HTTP cache or perform other attacks against web application.
Remediation
Install update from vendor's website.