SB2021031605 - Remote code execution in BIG-IP Advanced WAF/ASM
Published: March 16, 2021
Security Bulletin ID
SB2021031605
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-22992)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTTP responses. A remote attacker can create a specially crafted HTTP response to an Advanced WAF/ASM virtual server with Login Page configured in its policy, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.