CVE-2014-7824 Denial of service in n/a
Local attackers can cause denial of service in D-Bus by exhausting file descriptor limits, preventing new connections.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-7824?
CVE-2014-7824 is a low-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 18 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
D-Bus 1.3.0 through 1.6.x before 1.6.26, 1.8.x before 1.8.10, and 1.9.x before 1.9.2 allows local users to cause a denial of service (prevention of new connections and connection drop) by queuing the maximum number of file descriptors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3636.1.
Weakness: CWE-399
Which versions are affected by CVE-2014-7824?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Freedesktop Dbus, Mageia Project Mageia.
How do I fix CVE-2014-7824?
Apply the vendor's patch.
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-2014-7824 being exploited?
There is no known exploitation of CVE-2014-7824 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-7824, DSA-3099-1, GHSA-2vxr-xm37-7x29, MGASA-2014-0457, UBUNTU-CVE-2014-7824, USN-2425-1.