KLA10394
Multiple vulnerabilities in Siemens

Multiple critical vulnerabilities have been found in Siemens products. Malicious users can exploit these vulnerabilities to read & modify arbitrary files, cause denial of service, execute arbitrary code, bypass authentication, obtain access and inject arbitrary HTTP headers. Below is a complete list of vulnerabilities

1. A directory traversal vulnerability can be exploited remotely via a specially designed request;
2. Vectors related to HmiLoad can be exploited remotely via specially designed TCP data;
3. A buffer overflow can be exploited remotely via vectors related to unicode strings;
4. Improper URI handling can be exploited remotely via a specially designed POST request;
5. Predictable auth tokens can be exploited remotely via specially designed cookies;
6. Weak default passwords can be exploited remotely via brute-force;
7. Lack of authentication in the TELNET daemon can be exploited remotely via TCP sessions;
8. An XSS vulnerability can be exploited remotely;
9. Vectors related to the HMI web-server and runtime loader can be exploited remotely;
10. A CRLF vulnerability can be exploited remotely.

Siemens WinCC flexible versions 2004, 2005, 2007 and 2008 earlier than SP 3
Siemens WinCC, WinCC Runtime Advanced version 11
Siemens Simatic HMI Panels TP, OP, MP, Comfort, Mobile
Siemens WinCC flexible Runtime

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Siemens bulletin

Public exploits exist for this vulnerability.