medium
4
Advisory Published
Updated

CVE-2014-3477

First published: Tue Jul 01 2014(Updated: )

The dbus-daemon in D-Bus 1.2.x through 1.4.x, 1.6.x before 1.6.20, and 1.8.x before 1.8.4, sends an AccessDenied error to the service instead of a client when the client is prohibited from accessing the service, which allows local users to cause a denial of service (initialization failure and exit) or possibly conduct a side-channel attack via a D-Bus message to an inactive service.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
dbus=1.2.4.2
dbus=1.2.4.4
dbus=1.2.4.6
Freedesktop D-Bus=1.2.1
Freedesktop D-Bus=1.2.3
Freedesktop D-Bus=1.2.4
Freedesktop D-Bus=1.2.6
Freedesktop D-Bus=1.2.8
Freedesktop D-Bus=1.2.10
Freedesktop D-Bus=1.2.12
Freedesktop D-Bus=1.2.14
Freedesktop D-Bus=1.2.16
Freedesktop D-Bus=1.2.18
Freedesktop D-Bus=1.2.20
Freedesktop D-Bus=1.2.22
Freedesktop D-Bus=1.2.24
Freedesktop D-Bus=1.2.26
Freedesktop D-Bus=1.2.28
Freedesktop D-Bus=1.2.30
Freedesktop D-Bus=1.3.0
Freedesktop D-Bus=1.3.1
Freedesktop D-Bus=1.4.0
Freedesktop D-Bus=1.4.1
Freedesktop D-Bus=1.4.4
Freedesktop D-Bus=1.4.6
Freedesktop D-Bus=1.4.8
Freedesktop D-Bus=1.4.10
Freedesktop D-Bus=1.4.12
Freedesktop D-Bus=1.4.14
Freedesktop D-Bus=1.4.16
Freedesktop D-Bus=1.4.18
Freedesktop D-Bus=1.4.20
Freedesktop D-Bus=1.4.22
Freedesktop D-Bus=1.4.24
Freedesktop D-Bus=1.4.26
Freedesktop D-Bus=1.6.0
Freedesktop D-Bus=1.6.2
Freedesktop D-Bus=1.6.4
Freedesktop D-Bus=1.6.6
Freedesktop D-Bus=1.6.8
Freedesktop D-Bus=1.6.10
Freedesktop D-Bus=1.6.12
Freedesktop D-Bus=1.6.14
Freedesktop D-Bus=1.6.16
Freedesktop D-Bus=1.6.18
Freedesktop D-Bus=1.8.0
Freedesktop D-Bus=1.8.2
dbus=1.2.1
dbus=1.2.3
dbus=1.2.4
dbus=1.2.6
dbus=1.2.8
dbus=1.2.10
dbus=1.2.12
dbus=1.2.14
dbus=1.2.16
dbus=1.2.18
dbus=1.2.20
dbus=1.2.22
dbus=1.2.24
dbus=1.2.26
dbus=1.2.28
dbus=1.2.30
dbus=1.3.0
dbus=1.3.1
dbus=1.4.0
dbus=1.4.1
dbus=1.4.4
dbus=1.4.6
dbus=1.4.8
dbus=1.4.10
dbus=1.4.12
dbus=1.4.14
dbus=1.4.16
dbus=1.4.18
dbus=1.4.20
dbus=1.4.22
dbus=1.4.24
dbus=1.4.26
dbus=1.6.0
dbus=1.6.2
dbus=1.6.4
dbus=1.6.6
dbus=1.6.8
dbus=1.6.10
dbus=1.6.12
dbus=1.6.14
dbus=1.6.16
dbus=1.6.18
dbus=1.8.0
dbus=1.8.2

Remedy

http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.8&id=24c590703ca47eb71ddef453de43126b90954567

Remedy

http://seclists.org/oss-sec/2014/q2/509

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-3477?

    The severity of CVE-2014-3477 is considered moderate due to its potential to cause a denial of service.

  • How do I fix CVE-2014-3477?

    Fix CVE-2014-3477 by upgrading D-Bus to versions 1.6.20 or later, or 1.8.4 or later.

  • Who is affected by CVE-2014-3477?

    CVE-2014-3477 affects local users of D-Bus versions 1.2.x through 1.4.x, earlier than 1.6.20, and 1.8.x earlier than 1.8.4.

  • What kind of attack does CVE-2014-3477 allow?

    CVE-2014-3477 allows local users to trigger a denial of service by causing an initialization failure in the dbus-daemon.

  • Is there a workaround for CVE-2014-3477?

    No official workaround is available for CVE-2014-3477; the recommended mitigation is to update to a patched version.

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