SB2016101304 - Denial of service in Siemens Automation License Manager
Published: October 13, 2016 Updated: October 14, 2016
Security Bulletin ID
SB2016101304
CSH 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 vulnerability.
1) Denial of service (CVE-ID: CVE-2016-8563)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a remote unauthenticated user to cause DoS conditions on the target system.
The weakness is due to improper input validation. By sending a specially crafted packets to TCP port 4410, attackers can trigger the ALM service to crash. A manual restart is necessary to restore the normal system functionality.
Successful exploitation of the vulnerability leads to denial of service on the vulnerable system.
Remediation
Install update from vendor's website.