Multiple vulnerabilities in Phoenix Contact Automation Worx Software Suite



Published: 2020-07-10
Risk High
Patch available NO
Number of vulnerabilities 2
CVE-ID CVE-2020-12497
CVE-2020-12498
CWE-ID CWE-121
CWE-125
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #2 is available.
Vulnerable software
Subscribe 		PC Worx
Client/Desktop applications / Other client software

PC Worx Express
Client/Desktop applications / Other client software

Vendor Phoenix Contact GmbH

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stack-based buffer overflow

EUVDB-ID: #VU29641

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-12497

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PC Worx: 1.87

PC Worx Express: 1.87

CPE2.3 External links

http://cert.vde.com/de-de/advisories/vde-2020-023
http://www.zerodayinitiative.com/advisories/ZDI-21-398/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Out-of-bounds read

EUVDB-ID: #VU29642

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-12498

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PC Worx: 1.87

PC Worx Express: 1.87

CPE2.3 External links

http://cert.vde.com/de-de/advisories/vde-2020-023


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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