CVE-2023-29446 Improper Input Validation in PTC's Kepware KEPServerEX
Attackers can inject UNC paths via malicious project files to capture NTLMv2 hashes, impacting industrial connectivity systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-29446?
CVE-2023-29446 is a medium-severity path traversal vulnerability in PTC Kepware KEPServerEX, published on 10 Jan 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.
Which versions are affected by CVE-2023-29446?
It affects 3 products.
Products include Ptc Kepware Kepserverex, Ptc Thingworx Industrial Connectivity, Ptc Thingworx Kepware Server.
How do I fix CVE-2023-29446?
No fix has been published for CVE-2023-29446 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-29446 being exploited?
There is no known exploitation of CVE-2023-29446 in the wild and no public exploit code.
Other vulnerabilities in PTC Kepware KEPServerEX
Sources
Also known as GHSA-pj7r-qcr7-gx8f.