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Ubuntu 13.04 LTS: USN-1963-1 Mild: usb-creator Authorization Bypass

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Calendar Grey September 18, 2013
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Alert Notification USN-1963-1 highlights a security flaw in usb-creator which permits unauthorized access across various versions of Ubuntu.
usb-creator could be tricked into bypassing polkit authorizations.

Summary

usb-creator could be tricked into bypassing polkit authorizations.

Software Description:

- usb-creator: create a startup disk using a CD or disc image

Details:

It was discovered that usb-creator was using polkit in an unsafe manner. A

local attacker could possibly use this issue to bypass intended polkit

authorizations.

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 13.04:
  usb-creator-common              0.2.47.1

Ubuntu 12.10:
  usb-creator-common              0.2.40ubuntu2

Ubuntu 12.04 LTS:
  usb-creator-common              0.2.38.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1963-1

CVE-2013-1063

September 18, 2013

Package Information

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