SB2017070616 - Denial of service in Siemens SIMATIC Logon
Published: July 6, 2017 Updated: July 12, 2017
Security Bulletin ID
SB2017070616
Severity
Medium
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) Out-of-bounds write (CVE-ID: CVE-2017-9938)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to out-of-bound write. A remote attacker can send specially crafted packets to the SIMATIC Logon Remote Access service on port 16389/tcp, trigger memory corruption and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.