Advantech SUSIAccess Server Static Encryption Key Privilege Escalation VulnerabilityZDI-16-629: December 13th, 2016
This vulnerability allows attackers to escalate privileges on vulnerable installations of Advantech SUSIAccess Server. Authentication is not required to exploit this vulnerability.
The specific flaw exists within encryption and storage of the administrator password. The password is stored in a known location and is encrypted with a static encryption key. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM.
Vendor ResponseAdvantech has issued an update to correct this vulnerability. More details can be found at:
2016-08-30 - Vulnerability reported to vendor
2016-12-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: