Advisory Details

October 29th, 2019

Phoenix Contact Automationworx BCP File Parsing Memory Corruption Remote Code Execution Vulnerability

ZDI-19-922
ZDI-CAN-7782

CVE ID CVE-2019-16675
CVSS SCORE 7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Phoenix Contact
AFFECTED PRODUCTS Automationworx
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Phoenix Contact Automationworx. 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 BCP files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Phoenix Contact has issued an update to correct this vulnerability. More details can be found at:
https://www.us-cert.gov/ics/advisories/icsa-19-302-01
DISCLOSURE TIMELINE
  • 2019-04-04 - Vulnerability reported to vendor
  • 2019-10-29 - Coordinated public release of advisory
CREDIT 9sg Security Team
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