CVE-2023-3243 Weak cryptography in BCM-WEB
Attackers can capture weak MD5 hashes to create sessions or brute-force passwords, leading to unauthorized access in the unsupported BCM-WEB product.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-3243?
CVE-2023-3243 is a high-severity vulnerability in Alerton BCM-WEB, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
** UNSUPPORTED WHEN ASSIGNED ** [An attacker can capture an authenticating hash and utilize it to create new sessions. The hash is also a poorly salted MD5 hash, which could result in a successful brute force password attack. Impacted product is BCM-WEB version 3.3.X. Recommended fix: Upgrade to a supported product such as Alerton ACM.] Out of an abundance of caution, this CVE ID is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded.
Which versions are affected by CVE-2023-3243?
It affects 1 product.
Products include Honeywell Alerton Bcm-Web Firmware.
How do I fix CVE-2023-3243?
No fix has been published for CVE-2023-3243 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-3243 being exploited?
There is no known exploitation of CVE-2023-3243 in the wild and no public exploit code.
Sources
Also known as GHSA-2h66-xfr5-9c8f.