SB2018101021 - Denial of service in Siemens SIMATIC S7-1500 and SIMATIC ET 200SP Open Controller
Published: October 10, 2018
Security Bulletin ID
SB2018101021
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-13805)
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 a large number of specially crafted packets to the PLC and cause the PLC to lose its ability to communicate over the network.
Remediation
Install update from vendor's website.