CVE-2013-1063 Race condition in n/a

Medium 4.6 Published Updated

Local attackers can exploit a race condition in usb-creator's D-Bus communication to bypass access restrictions and escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2013-1063?

CVE-2013-1063 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 3 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-264

Which versions are affected by CVE-2013-1063?

It affects 2 products.

Products include Canonical Ubuntu Linux, Evan Dandrea Usb-Creator.

How do I fix CVE-2013-1063?

No fix has been published for CVE-2013-1063 yet. Limit exposure of the affected software until one is available.

Is CVE-2013-1063 being exploited?

There is no known exploitation of CVE-2013-1063 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-58qf-hw52-9h34.

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