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Ubuntu 14.10: USN-2576-1 Critical Usb-Creator Privilege Escalation

ubuntu
Calendar Grey April 23, 2015
Dist Ubuntu Esm H88
Critical Ubuntu Security Advisory regarding a usb-creator flaw affecting several versions. Prompt measures needed.
usb-creator could be tricked into running programs as an administrator.

Summary

usb-creator could be tricked into running programs as an administrator.

Software Description:

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

Details:

Tavis Ormandy discovered that usb-creator was missing an authentication

check. A local attacker could use this issue to gain elevated privileges.

Topics%20covered

Topics Covered

security advisory critical privilege escalation Ubuntu usb-creator

Update Instructions

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

Ubuntu 14.10:
  usb-creator-common              0.2.62ubuntu0.3

Ubuntu 14.04 LTS:
  usb-creator-common              0.2.56.3ubuntu0.1

Ubuntu 12.04 LTS:
  usb-creator-common              0.2.38.3ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-2576-1

https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/1447396

Severity
critical
Lowest
Low
Medium
High
Critical

April 23, 2015

Topics%20covered

Topics Covered

security advisory critical privilege escalation Ubuntu usb-creator

Package Information

https://launchpad.net/ubuntu/+source/usb-creator/0.2.62ubuntu0.3
https://launchpad.net/ubuntu/+source/usb-creator/0.2.56.3ubuntu0.1
https://launchpad.net/ubuntu/+source/usb-creator/0.2.38.3ubuntu0.1

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