CVE-2023-36610 Weak cryptography in TBox LT2
Attackers can brute force security tokens due to insufficient entropy in TBox RTUs, allowing unauthorized authentication and access to industrial control systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-36610?
CVE-2023-36610 is a medium-severity vulnerability in Ovarro TBox LT2, published on 3 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The affected TBox RTUs generate software security tokens using insufficient entropy. The random seed used to generate the software tokens is not initialized correctly, and other parts of the token are generated using predictable time-based values. An attacker with this knowledge could successfully brute force the token and authenticate themselves.
Weakness: CWE-331
Which versions are affected by CVE-2023-36610?
It affects 5 products.
Products include Ovarro Tbox Lt2 Firmware, Ovarro Tbox Ms-Cpu32-S2 Firmware, Ovarro Tbox Ms-Cpu32 Firmware, Ovarro Tbox Rm2 Firmware, Ovarro Tbox Tg2 Firmware.
How do I fix CVE-2023-36610?
No fix has been published for CVE-2023-36610 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-36610 being exploited?
There is no known exploitation of CVE-2023-36610 in the wild and no public exploit code.
Other vulnerabilities in Ovarro TBox LT2
Sources
Also known as GHSA-mp27-67w3-v3v9.