CVE-2017-5884 Memory corruption in n/a
A remote VNC server can execute arbitrary code on the client by sending crafted tile coordinates that bypass boundary checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-5884?
CVE-2017-5884 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 28 Feb 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted (1) rre, (2) hextile, or (3) copyrect tile.
Weakness: CWE-118
Which versions are affected by CVE-2017-5884?
It affects 2 products.
Products include Fedoraproject Fedora, Gnome Gtk-Vnc.
How do I fix CVE-2017-5884?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-5884 being exploited?
There is no known exploitation of CVE-2017-5884 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2017-5884, GHSA-2gcq-vqxg-c7xv, UBUNTU-CVE-2017-5884.