Advisory Details

June 20th, 2019

Phoenix Contact Automationworx BCP File Parsing Uninitialized Pointer Remote Code Execution Vulnerability

ZDI-19-575
ZDI-CAN-7784

CVE ID CVE-2019-12870
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 vulnerable 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 initialization of a pointer prior to accessing it. 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://cert.vde.com/en-us/advisories/vde-2019-014
DISCLOSURE TIMELINE
  • 2019-02-21 - Vulnerability reported to vendor
  • 2019-06-20 - Coordinated public release of advisory
CREDIT 9sg Security Team
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