|Check Point Reference:||CPAI-2009-0537|
|Date Published:||27 Apr 2021|
|Last Updated:||27 Apr 2021|
|Protection Provided by:||
|Who is Vulnerable?||ZeroShell 1.0beta11 and prior|
|Vulnerability Description||ZeroShell is a small Linux distribution for servers and embedded devices. A vulnerability exists in Zeroshell that could be exploited by remote attackers to compromise a vulnerable system. The vulnerability is due to an input validation error in the "cgi-bin/kerbynet" script that does not validate the "type" parameter before being passed as an argument to a command-line. Remote attackers could exploit this to execute arbitrary commands via shell metacharacters in the "type" parameter in a NoAuthREQ x509List action.|
This protection detects attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: Web Server Enforcement Violation.
Attack Information: Zeroshell type Parameter Command Execution (CVE-2009-0545)