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CVE-2011-5009

CVE-2011-5009

EPSS 10.8%
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
n/a · n/a
public PoCs found — 2
exploitdbwww.exploit-db.com/exploits/36378unverifiedexploitdbwww.exploit-db.com/exploits/36377unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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