#VU9110 Denial of service in SIMATIC PCS 7 - CVE-2017-14023
Published: November 3, 2017
Vulnerability identifier: #VU9110
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14023
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATIC PCS 7
SIMATIC PCS 7
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote authenticated attacker in the 'administrators' group to cause DoS condition on the target system.
The weakness exists due to improper input validation. A remote attacker can send specially crafted data to the target DCOM interface and cause the target service to crash.
The weakness exists due to improper input validation. A remote attacker can send specially crafted data to the target DCOM interface and cause the target service to crash.
Remediation
Install update from vendor's website (V8.1 SP1 with WinCC V7.3 Upd 13).