CVE-2017-2836 Denial of service in FreeRDP
A specially crafted challenge packet in FreeRDP causes program termination, allowing attackers to trigger a denial of service via compromised servers or man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-2836?
CVE-2017-2836 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 24 Apr 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.
Weakness: CWE-295
Which versions are affected by CVE-2017-2836?
It affects 2 products.
Products include Debian Debian Linux, Freerdp Freerdp.
How do I fix CVE-2017-2836?
Upgrade to a fixed version.
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-2017-2836 being exploited?
There is no known exploitation of CVE-2017-2836 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as GHSA-wcfr-wfm2-2rjm, UBUNTU-CVE-2017-2836.