CVE-2017-11401 Security feature bypass in n/a
Attackers can bypass ModBus function code filtering on Belden Hirschmann Tofino Xenon appliances by sending crafted packets with improper length fields.
- 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-2017-11401?
CVE-2017-11401 is a critical vulnerability in n/a, published on 20 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.
Which versions are affected by CVE-2017-11401?
It affects 1 product.
Products include Belden Tofino Xenon Security Appliance Firmware.
How do I fix CVE-2017-11401?
No fix has been published for CVE-2017-11401 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-11401 being exploited?
There is no known exploitation of CVE-2017-11401 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hm23-x227-wm9q.