CVE-2011-5009

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.

Affected products

• 3ssoftware / codesys3.4 – 3.4

References

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