SB2019010828 - Denial of service in Siemens SIMATIC S7-300
Published: January 8, 2019
Security Bulletin ID
SB2019010828
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) Input validation error (CVE-ID: CVE-2018-16561)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted S7 communication packet to a communication interface of the CPU and cause a denial-of-service condition of the core functionality of the CPU.
Remediation
Install update from vendor's website.