CVE-2011-5009

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• CoDeSys 3.4 - Null Pointer Invalid HTTP Request Parsing Remote Denial of Service2011-11-30 · dos · multiple · Verified
• CoDeSys 3.4 - POST Null Pointer Content-Length Parsing Remote Denial of Service2011-11-30 · dos · multiple · Verified

Impact

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.

Affected products

References

• NVD record
• CVE.org record
• http://aluigi.altervista.org/adv/codesys_1-adv.txt
• http://seclists.org/bugtraq/2011/Nov/178
• http://secunia.com/advisories/47018
• http://www.osvdb.org/77388
• http://www.osvdb.org/77389
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
• 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/47018
• http://www.osvdb.org/77388
• http://www.osvdb.org/77389
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71533