CVE-2008-0595 Auth bypass in n/a

Medium 4.6 Published 29 Feb 2008 Updated 7 Aug 2024

Local users can bypass D-Bus access restrictions by sending method calls with a NULL interface, circumventing intended security policies.

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-2008-0595?

CVE-2008-0595 is a medium-severity authentication bypass vulnerability in Fedoraproject Fedora, published on 29 Feb 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

dbus-daemon in D-Bus before 1.0.3, and 1.1.x before 1.1.20, recognizes send_interface attributes in allow directives in the security policy only for fully qualified method calls, which allows local users to bypass intended access restrictions via a method call with a NULL interface.

Weakness: CWE-863

Which versions are affected by CVE-2008-0595?

It affects 4 products.

Linux distribution packages (10)

`dbus` Red Hat:enterprise_linux:5::client	All versions	`0:1.0.0-6.3.el5_1`
`dbus-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:1.0.0-6.3.el5_1`
`dbus-x11` Red Hat:enterprise_linux:5::client	All versions	`0:1.0.0-6.3.el5_1`
`dbus` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:1.0.0-6.3.el5_1`
`dbus-debuginfo` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:1.0.0-6.3.el5_1`
`dbus-devel` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:1.0.0-6.3.el5_1`
`dbus` Red Hat:enterprise_linux:5::server	All versions	`0:1.0.0-6.3.el5_1`
`dbus-debuginfo` Red Hat:enterprise_linux:5::server	All versions	`0:1.0.0-6.3.el5_1`
`dbus-devel` Red Hat:enterprise_linux:5::server	All versions	`0:1.0.0-6.3.el5_1`
`dbus-x11` Red Hat:enterprise_linux:5::server	All versions	`0:1.0.0-6.3.el5_1`

Products include Fedoraproject Fedora, Freedesktop Dbus, Mandrakesoft Mandrake Linux, Redhat Enterprise Linux.

How do I fix CVE-2008-0595?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2008-0595 being exploited?

There is no known exploitation of CVE-2008-0595 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2008-0595, DSA-1599-1, GHSA-r2x7-p32r-g3vj, RHSA-2008:0159.