SB2023090139 - Multiple vulnerabilities in PTC Kepware KepServerEX and ThingWorx Kepware Server

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Main Vulnerability Database SB2023090139

SB2023090139 - Multiple vulnerabilities in PTC Kepware KepServerEX and ThingWorx Kepware Server

Published: September 1, 2023

Security Bulletin ID SB2023090139
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Insecure DLL loading (CVE-ID: CVE-2023-29444)

CWE-ID: CWE-427 - Uncontrolled Search Path Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local administrator can place a specially crafted .dll file and execute arbitrary code on victim's system.


2) Insecure DLL loading (CVE-ID: CVE-2023-29445)

CWE-ID: CWE-427 - Uncontrolled Search Path Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Clear


The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local administrator can place a specially crafted .dll file and gain elevated privileges on the system.


3) Path traversal (CVE-ID: CVE-2023-29446)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to load a specially crafted project file and read arbitrary files on the system.


4) Insufficiently protected credentials (CVE-ID: CVE-2023-29447)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficiently protected credentials. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack via ARP spoofing and obtain the web server's plaintext credentials.


Remediation

Install update from vendor's website.

References