ID:7235 - Exploit for Stack-based buffer overflow in SMA 100 - CVE-2021-20038

 
Main Vulnerability Database Exploits ID:7235 - Exploit for Stack-based buffer overflow in SMA 100 - CVE-2021-20038

ID:7235 - Exploit for Stack-based buffer overflow in SMA 100 - CVE-2021-20038

Published: January 12, 2022


Vulnerability identifier: #VU58619
Vulnerability risk: Critical
CVE-ID: CVE-2021-20038
CWE-ID: CWE-121
Exploitation vector: Remote access
Vulnerable software:
SMA 100

Link to public exploit:


Vulnerability description

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 GET requests in the SonicWall SMA SSLVPN. A remote unauthenticated attacker can send a specially crafted HTTP request to the SSL VPN interface, trigger a stack-based buffer overflow in the mod_cgi module and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.