CVE-2024-44309

A data isolation bypass vulnerability was discovered in WebKitGTK. Processing maliciously crafted web content could enable a cross-site scripting (XSS) attack.

This vulnerability is rated as IMPORTANT severity due to a cookie management issue that allows an attacker to inject maliciously crafted web content, potentially leading to a cross-site scripting (XSS) attack, this flaw occurs because of improper state management during cookie handling, which could allow unauthorized script execution.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Do not process or load untrusted web content with WebKitGTK.

In Red Hat Enterprise Linux 7, the following packages require WebKitGTK4: evolution-data-server, glade, gnome-boxes, gnome-initial-setup, gnome-online-accounts, gnome-shell, shotwell, sushi and yelp.

This vulnerability can only be exploited when these packages are installed in the system and being used via a graphical interface to process untrusted web content, via GNOME for example. In gnome-shell, the vulnerability can be exploited by an attacker from the local network without user interaction.

To mitigate this vulnerability, consider removing these packages. Note that some of these packages are required by GNOME, removing them will also remove GNOME and other packages, breaking functionality. However, the server can still be used via the terminal interface.

Additionally, WebKitGTK3 is not required by any package. Therefore, it can be removed without consequences or break of functionality.