Advisory Details

March 23rd, 2018

OMRON CX-Supervisor CDM File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability

ZDI-18-260
ZDI-CAN-5309

CVE ID CVE-2018-7525
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS OMRON
AFFECTED PRODUCTS CX-Supervisor
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 CDM file. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code under 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-18-072-01
DISCLOSURE TIMELINE
  • 2017-10-24 - Vulnerability reported to vendor
  • 2018-03-23 - Coordinated public release of advisory
  • 2018-03-23 - Advisory Updated
CREDIT Ariele Caltabiano (kimiya)
BACK TO ADVISORIES