OMRON CX-Supervisor SCS File Parsing Uninitialized Pointer Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of OMRON CX-Supervisor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SCS files. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Omron has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-19-017-01
Disclosure Timeline
- 2018-07-10 - Vulnerability reported to vendor
- 2019-02-08 - Coordinated public release of advisory
Credit
Esteban Ruiz (mr_me) of Source Incite
