Siemens SIMATIC WinCC Flexible Runtime 'HmiLoad.exe' Multiple Security Vulnerabilities

Bugtraq ID:	50828
Class:	Unknown
CVE:	CVE-2011-4875 CVE-2011-4876 CVE-2011-4877
Remote:	Yes
Local:	No
Published:	Nov 28 2011 12:00AM
Updated:	Apr 18 2012 09:20PM
Credit:	Luigi Auriemma
Vulnerable:	Siemens SIMATIC WinCC flexible Runtime 0 Siemens SIMATIC WinCC Flexible 2008 SP2 Siemens SIMATIC WinCC Flexible 2008 SP1 Siemens SIMATIC WinCC Flexible 2008 Siemens SIMATIC WinCC Flexible 2007 Siemens SIMATIC WinCC Flexible 2005 SP1 Siemens SIMATIC WinCC Flexible 2005 Siemens SIMATIC WinCC Flexible 2004
Not Vulnerable:

Siemens SIMATIC WinCC Flexible Runtime 'HmiLoad.exe' Multiple Security Vulnerabilities

Siemens SIMATIC WinCC Flexible is prone to multiple security vulnerabilities that affect the 'HmiLoad.exe' program.

Attackers can exploit these issues to execute arbitrary code in the context of the affected application, read/write or delete arbitrary files outside of the server root directory, or cause denial-of-service conditions; other attacks may also be possible.

Siemens SIMATIC WinCC Flexible Runtime 'HmiLoad.exe' Multiple Security Vulnerabilities

The researcher has created exploits for these issues. Please see the references for more information.

Siemens SIMATIC WinCC Flexible Runtime 'HmiLoad.exe' Multiple Security Vulnerabilities

Solution:
Updates are available. Please see the references for more information.

Siemens SIMATIC WinCC Flexible Runtime 'HmiLoad.exe' Multiple Security Vulnerabilities

References:

• Siemens SIMATIC WinCC Flexible (Runtime) Multiple Vulnerabilities (Luigi Auriemma)
  
• SIMATIC WinCC flexible �?? Runtime Software Homepage (Siemens)
  
• http://www.attrition.org/mailman/listinfo/vim (ICS-CERT)
  
• ICSA-12-030-01�??SIEMENS SIMATIC WinCC MULTIPLE VULNERABILITIES (ICS-CERT)