Vulnerability Description
The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 3Ssoftware | Codesys | 3.4 |
References
- http://aluigi.altervista.org/adv/codesys_1-adv.txt
- http://seclists.org/bugtraq/2011/Nov/178
- http://secunia.com/advisories/47018Vendor Advisory
- http://www.osvdb.org/77388
- http://www.osvdb.org/77389
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfExploitUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71533
- http://aluigi.altervista.org/adv/codesys_1-adv.txt
- http://seclists.org/bugtraq/2011/Nov/178
- http://secunia.com/advisories/47018Vendor Advisory
- http://www.osvdb.org/77388
- http://www.osvdb.org/77389
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfExploitUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71533
FAQ
What is CVE-2011-5009?
CVE-2011-5009 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an ...
How severe is CVE-2011-5009?
CVE-2011-5009 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-5009?
Check the references section above for vendor advisories and patch information. Affected products include: 3Ssoftware Codesys.