Multiple vulnerabilities in PTC Kepware KepServerEX and ThingWorx Kepware Server



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2023-29444
CVE-2023-29445
CVE-2023-29446
CVE-2023-29447
CWE-ID CWE-427
CWE-22
CWE-522
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ThingWorx Kepware Server
Server applications / Other server solutions

Kepware KepServerEX
Server applications / Other server solutions

Vendor PTC

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Insecure DLL loading

EUVDB-ID: #VU80223

Risk: Low

CVSSv4.0: 0.5 [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]

CVE-ID: CVE-2023-29444

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ThingWorx Kepware Server: - - 6.14.263.0

Kepware KepServerEX: - - 6.14.263.0

CPE2.3 External links

https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
https://www.ptc.com/en/support/article/cs399528


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Insecure DLL loading

EUVDB-ID: #VU80224

Risk: Low

CVSSv4.0: 0.5 [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]

CVE-ID: CVE-2023-29445

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ThingWorx Kepware Server: - - 6.14.263.0

Kepware KepServerEX: - - 6.14.263.0

CPE2.3 External links

https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
https://www.ptc.com/en/support/article/cs399528


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Path traversal

EUVDB-ID: #VU80225

Risk: Medium

CVSSv4.0: 2.1 [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]

CVE-ID: CVE-2023-29446

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

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Kepware KepServerEX: - - 6.14.263.0

ThingWorx Kepware Server: - - 6.14.263.0

CPE2.3 External links

https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
https://www.ptc.com/en/support/article/cs399528


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Insufficiently protected credentials

EUVDB-ID: #VU80226

Risk: Medium

CVSSv4.0: 4.6 [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]

CVE-ID: CVE-2023-29447

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ThingWorx Kepware Server: - - 6.14.263.0

Kepware KepServerEX: - - 6.14.263.0

CPE2.3 External links

https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
https://www.ptc.com/en/support/article/cs399528


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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