CVE-2013-1063: Race Condition
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.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2013-1063?
CVE-2013-1063 has a medium severity rating, as it allows local users to bypass access restrictions.
How do I fix CVE-2013-1063?
To fix CVE-2013-1063, users should upgrade to usb-creator version 0.2.47.1 or higher.
Which systems are affected by CVE-2013-1063?
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.
Who is the vendor for CVE-2013-1063?
The vendor for CVE-2013-1063 is Canonical for Ubuntu, and Evan Dandrea for the usb-creator project.
What type of vulnerability is CVE-2013-1063?
CVE-2013-1063 is a privilege escalation vulnerability due to improper use of D-Bus communication.