CVE-2016-8367 Denial of service in Schneider Electric Magelis HMI
An attacker can exhaust web server connections on Schneider Electric Magelis HMI panels, causing a denial of service.
- 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-2016-8367?
CVE-2016-8367 is a medium-severity denial of service vulnerability in Schneider Electric Magelis HMI, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, all versions, Magelis STO5xx and STU Small panels, all versions, Magelis XBT GH Advanced Hand-held Panels, all versions, Magelis XBT GK Advanced Touchscreen Panels with Keyboard, all versions, Magelis XBT GT Advanced Touchscreen Panels, all versions, and Magelis XBT GTW Advanced Open Touchscreen Panels (Windows XPe). An attacker can open multiple connections to a targeted web server and keep connections open preventing new connections from being made, rendering the web server unavailable during an attack.
Weakness: CWE-400
Which versions are affected by CVE-2016-8367?
It affects 8 products.
Products include Schneider-Electric Magelis Gto Advanced Optimum Panel Firmware, Schneider-Electric Magelis Gtu Universal Panel Firmware, Schneider-Electric Magelis Sto5 Small Panel Firmware, Schneider-Electric Magelis Stu Small Panel Firmware, Schneider-Electric Magelis Xbt Gh Advanced Hand-Held Panel Firmware, Schneider-Electric Magelis Xbt Gk Advanced Touchscreen Panel With Keyboard Firmware and 2 more.
How do I fix CVE-2016-8367?
No fix has been published for CVE-2016-8367 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-8367 being exploited?
There is no known exploitation of CVE-2016-8367 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Schneider Electric Magelis HMI
Sources
Also known as GHSA-97r7-8j3p-vc44.