SB2019092616 - HTTP request smuggling in Netty

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2019092616

SB2019092616 - HTTP request smuggling in Netty

Published: September 26, 2019 Updated: November 18, 2019

Security Bulletin ID SB2019092616
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-16869)

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation when processing a whitespace before the colon in HTTP headers (e.g. "Transfer-Encoding : chunked"). A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.


Remediation

Install update from vendor's website.

References