SB2018051001 - Remote code execution in Siemens Siveillance VMS

Description

This security bulletin contains information about 1 security vulnerability.

1) Deserialization of untrusted data (CVE-ID: CVE-2018-7891)

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

The vulnerability exists due to the Recording Server, Management Server, and Management Client on Ports 6473/TCP local connection only, 7474/TCP, 8966/TCP local connection only, and Port 9993/TCP use an exploitable .NET Framework Remoting deserialization level. A remote unauthenticated attacker can access the vulnerable ports, gain elevated privileges and execute arbitrary code.

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

Remediation

Install update from vendor's website.

References

• https://ics-cert.us-cert.gov/advisories/ICSA-18-128-02