SB2017090106 - Information disclosure in Siemens industrial products
Published: September 1, 2017
Security Bulletin ID
SB2017090106
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) XXE attack (CVE-ID: CVE-2017-12069)
The vulnerability allows a remote attacker to conduct XXE attack on the target system.The weakness exists in the encryption library due to improper handling of XML External Entity (XXE) entries when parsing an XML file. A remote attacker can send specially crafted packets to the OPC Discovery Server at Port 4840/TCP and cause the system to access various resources chosen by the attacker.
Successful exploitation of the vulnerability may result in information disclosure.
Remediation
Install update from vendor's website.