Advisory Details

August 16th, 2019

Delta Industrial Automation DOPSoft DPA File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-19-721
ZDI-CAN-8254

CVE ID CVE-2019-13513
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Delta Industrial Automation
AFFECTED PRODUCTS DOPSoft
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected instances of Delta Industrial Automation DOPSoft. 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 DPA files. The issue results from the lack of proper validation of user-supplied data, which can result in a read before the start of an allocated 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://www.us-cert.gov/ics/advisories/icsa-19-225-01
DISCLOSURE TIMELINE
  • 2019-03-27 - Vulnerability reported to vendor
  • 2019-08-16 - Coordinated public release of advisory
CREDIT kimiya of 9SG Security Team - kimiya@9sgsec.com
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