Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080.
aluigi.altervista.org/adv/codesys_1-adv.txt
ics-cert.us-cert.gov/advisories/ICSA-12-320-01
osvdb.org/77387
seclists.org/bugtraq/2011/Nov/178
secunia.com/advisories/47018
www.exploit-db.com/exploits/18187
www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01.pdf
www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf