Advisory Details

October 15th, 2018

Delta Industrial Automation TPEditor TPE File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-18-1236
ZDI-CAN-6448

CVE ID CVE-2018-17929
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Delta Industrial Automation
AFFECTED PRODUCTS TPEditor
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation TPEditor. 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 project files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Delta Industrial Automation has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-18-284-03
DISCLOSURE TIMELINE
  • 2018-06-28 - Vulnerability reported to vendor
  • 2018-10-15 - Coordinated public release of advisory
  • 2018-10-15 - Advisory Updated
CREDIT Ariele Caltabiano (kimiya) of 9SG Security Team - kimiya@9sgsec.com
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