CVE-2018-11646 Null dereference in n/a
An attacker can cause an application crash in WebKitGTK by triggering a null pointer dereference in the favicon database handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-11646?
CVE-2018-11646 is a high-severity vulnerability in Webkitgtk Webkitgtk\+, published on 1 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.
Which versions are affected by CVE-2018-11646?
It affects 1 product.
Products include Webkitgtk Webkitgtk\+.
How do I fix CVE-2018-11646?
Upgrade to a fixed version.
Is CVE-2018-11646 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-11646 exists.
Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.
Other vulnerabilities in Webkitgtk Webkitgtk\+
Sources
Also known as DEBIAN-CVE-2018-11646, GHSA-q2c8-4vmf-78h5, UBUNTU-CVE-2018-11646.