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.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf | us government resource |
| http://seclists.org/bugtraq/2011/Nov/178 | mailing list |
| http://secunia.com/advisories/47018 | third party advisory vendor advisory |
| http://aluigi.altervista.org/adv/codesys_1-adv.txt | |
| http://osvdb.org/77387 | vdb entry |
| http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01.pdf | us government resource |
| http://ics-cert.us-cert.gov/advisories/ICSA-12-320-01 | |
| http://www.exploit-db.com/exploits/18187 | exploit |