Sangfor Next-Gen Application Firewall vulnerabilities

CVE-2023-30805 [CRITICAL] CWE-78 CVE-2023-30805: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system co The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /LogInOut.php endpoint. This is due to mishandling of shell meta-characters in the "un" parameter.

CVE-2023-30806 [CRITICAL] CWE-78 CVE-2023-30806: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system co The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /cgi-bin/login.cgi endpoint. This is due to mishandling of shell meta-characters in the PHPSESSID cookie

CVE-2023-30803 [CRITICAL] CWE-290 CVE-2023-30803: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypa The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.

CVE-2023-30804 [MEDIUM] CVE-2023-30804: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure vulnerability. A remote and authenticated attacker can read arbitrary system files using the svpn_html/loadfile.php endpoint. This issue is exploitable by a remote and unauthenticated attacker when paired with CVE-2023-30803.

CVE-2023-30802 [MEDIUM] CWE-540 CVE-2023-30802: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosu The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability. A remote and unauthenticated attacker can obtain PHP source code by sending an HTTP request with an invalid Content-Length field.