Debian Wheezy DSA-3026-1 Critical: Dbus Denial Of Service Threats

Alban Crequy and Simon McVittie discovered several vulnerabilities in
the D-Bus message daemon.

CVE-2014-3635

On 64-bit platforms, file descriptor passing could be abused by
local users to cause heap corruption in the dbus-daemon crash,
leading to a crash, or potentially to arbitrary code execution.

CVE-2014-3636

A denial-of-service vulnerability in dbus-daemon allowed local
attackers to prevent new connections to dbus-daemon, or disconnect
existing clients, by exhausting descriptor limits.

CVE-2014-3637

Malicious local users could create D-Bus connections to
dbus-daemon which could not be terminated by killing the
participating processes, resulting in a denial-of-service
vulnerability.

CVE-2014-3638

dbus-daemon suffered from a denial-of-service vulnerability in the
code which tracks which messages expect a reply, allowing local
attackers to reduce the performance of dbus-daemon.

CVE-2014-3639

dbus-daemon did not properly reject malicious connecti...