First published: Thu Oct 03 2013(Updated: )
usb-creator 0.2.47 before 0.2.47.1, 0.2.40 before 0.2.40ubuntu2, and 0.2.38 before 0.2.38.2 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.
Credit: security@ubuntu.com
Affected Software | Affected Version | How to fix |
---|---|---|
Ubuntu | =12.04 | |
Ubuntu | =12.10 | |
Ubuntu | =13.10 | |
usb-creator project usb-creator | =0.2.38 | |
usb-creator project usb-creator | =0.2.38.1 | |
usb-creator project usb-creator | =0.2.40 | |
usb-creator project usb-creator | =0.2.47 |
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CVE-2013-1063 has a medium severity rating, as it allows local users to bypass access restrictions.
To fix CVE-2013-1063, users should upgrade to usb-creator version 0.2.47.1 or higher.
CVE-2013-1063 affects Ubuntu versions 12.04, 12.10, and 13.10, as well as usb-creator versions 0.2.38, 0.2.40, and 0.2.47.
The vendor for CVE-2013-1063 is Canonical for Ubuntu, and Evan Dandrea for the usb-creator project.
CVE-2013-1063 is a privilege escalation vulnerability due to improper use of D-Bus communication.