Stack-based buffer overflow in PC Worx and PC Worx Express - CVE-2020-12497
Published: July 10, 2020 / Updated: March 31, 2021
Vulnerability identifier: #VU29641
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2020-12497
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PC Worx
PC Worx Express
PC Worx
PC Worx Express
Software vendor:
Phoenix Contact GmbH
Phoenix Contact GmbH
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the parsing of XML files. A remote unauthenticated attacker can use a specially crafted file, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.