CVE-2019-12448 : Security Advisory and Response

Race conditions were identified in versions 1.29.4 through 1.41.2 of GNOME gvfs due to the lack of implementation of query_info_on_read/write in the admin backend file daemon/gvfsbackendadmin.c.

Understanding CVE-2019-12448

What is CVE-2019-12448?

An issue was discovered in GNOME gvfs 1.29.4 through 1.41.2, where race conditions exist in daemon/gvfsbackendadmin.c due to the admin backend not implementing query_info_on_read/write.

The Impact of CVE-2019-12448

This vulnerability could allow an attacker to exploit race conditions in GNOME gvfs versions 1.29.4 through 1.41.2, potentially leading to unauthorized access or denial of service.

Technical Details of CVE-2019-12448

Vulnerability Description

The race conditions in GNOME gvfs versions 1.29.4 through 1.41.2 stem from the lack of implementation of query_info_on_read/write in the admin backend file daemon/gvfsbackendadmin.c.

Affected Systems and Versions

Versions 1.29.4 through 1.41.2 of GNOME gvfs

Exploitation Mechanism

The vulnerability can be exploited by leveraging the race conditions in the admin backend file daemon/gvfsbackendadmin.c.

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary patches provided by GNOME to address the race conditions in affected versions.
Monitor for any unauthorized access or unusual system behavior.

Long-Term Security Practices

Regularly update GNOME gvfs to the latest version to ensure all security patches are applied.
Implement proper access controls and monitoring mechanisms to detect and prevent unauthorized access.

Patching and Updates

Ensure that all systems running GNOME gvfs versions 1.29.4 through 1.41.2 are updated with the latest patches from the vendor.