SB2022060806 - CRLF injection in Zyxel firewalls
Published: June 8, 2022
Security Bulletin ID
SB2022060806
Severity
Medium
Patch available
NO
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) CRLF injection (CVE-ID: N/A)
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data in the CGI program. A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.