Advisory Details

December 15th, 2016

Delta Industrial Automation WPLSoft LAD File Reading Heap-Based Buffer Overflow Remote Code Execution Vulnerability

ZDI-16-654
ZDI-CAN-3931

CVE ID CVE-2016-5805
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Delta Industrial Automation
AFFECTED PRODUCTS WPLSoft
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation WPLSoft. 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 handling of data from a LAD file. An overly-long file can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the 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-16-348-03
DISCLOSURE TIMELINE
  • 2016-07-29 - Vulnerability reported to vendor
  • 2016-12-15 - Coordinated public release of advisory
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