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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf ↗
- http://seclists.org/bugtraq/2011/Nov/178 ↗
- http://secunia.com/advisories/47018 ↗
- http://aluigi.altervista.org/adv/codesys_1-adv.txt ↗
- http://www.osvdb.org/77388 ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71533 ↗
- http://www.osvdb.org/77389 ↗