Denial of service in SIMATIC PCS 7 - CVE-2017-14023
Published: November 3, 2017
Vulnerability identifier: #VU9110
CSH Severity: Low
CVSS v4.0: 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
Vendor: Siemens
Affected software:
SIMATIC PCS 7
SIMATIC PCS 7
Detailed vulnerability 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.
How to mitigate CVE-2017-14023
Install update from vendor's website (V8.1 SP1 with WinCC V7.3 Upd 13).