SB2022041923 - HTTP request smuggling in BIG-IP iControl REST
Published: April 19, 2022 Updated: June 26, 2023
Security Bulletin ID
SB2022041923
Severity
Low
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) HTTP request smuggling attack (CVE-ID: CVE-2017-7656)
The disclosed vulnerability allows a remote attacker to conduct an HTTP request smuggling attack on the target system.
The vulnerability exists due to improper handling of HTTP/0.9 requests. A remote attacker can send a specially crafted HTTP/0.9 request that submits malicious request headers, cause the software and an upstream HTTP agent to misinterpret the boundary of the request and poison the web cache on the system, which could be used to conduct further attacks.
Remediation
Install update from vendor's website.