Vulnerability CVE-2011-3143
Published: 2011-08-16   Modified: 2012-02-13

Description:
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Serck-controls -> SCX 
Schneider-electric -> Clearscada 2005 
Schneider-electric -> Clearscada 2007 
Schneider-electric -> Clearscada 2009 
Controlmicrosystems -> Clearscada 2005 
Controlmicrosystems -> Clearscada 2007 
Controlmicrosystems -> Clearscada 2009 
Aveva -> Clearscada 

 References:
http://www.digitalbond.com/scadapedia/vulnerability-notes/heap-overflow-vulnerability/
http://www.securityfocus.com/bid/46312
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdf
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01A.pdf
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