CVE-2011-3143

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.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 2.29% Top 20%
Third-Party Advisory secunia.com Third-Party Advisory digitalbond.com Third-Party Advisory securityfocus.com Third-Party Advisory us-cert.gov Third-Party Advisory us-cert.gov
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.osvdb.org/72989 vdb entry broken link
http://secunia.com/advisories/44955 third party advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdf us government resource third party advisory patch
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01A.pdf us government resource third party advisory patch
http://www.securityfocus.com/bid/46312 vdb entry third party advisory
http://www.digitalbond.com/scadapedia/vulnerability-notes/heap-overflow-vulnerability/ third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2011-3143?
CVE-2011-3143 has been scored as a critical severity vulnerability.
How to fix CVE-2011-3143?
To fix CVE-2011-3143, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3143 being actively exploited in the wild?
It is possible that CVE-2011-3143 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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