#VU15891 Improper input validation in Siemens products - CVE-2018-16556
Published: November 13, 2018 / Updated: November 14, 2018
Vulnerability identifier: #VU15891
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16556
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATIC S7-410
SIMATIC S7-400
SIMATIC S7-400 PN/DP V7
SIMATIC S7-400 H
SIMATIC S7-410
SIMATIC S7-400
SIMATIC S7-400 PN/DP V7
SIMATIC S7-400 H
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to an error when processing malicious input. A remote attacker can send specially crafted packets to Port 102/TCP via Ethernet interface, via PROFIBUS, or via multi-point interfaces (MPI) and cause the affected devices to go into defect mode.
Remediation
Install update from vendor's website.