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Ubuntu 13.04: USN-1961-1 Critical: Systemd Authorization Bypass

ubuntu
Calendar Grey September 18, 2013
Scroller Ubuntu
A flaw in systemd on Ubuntu could lead to a bypass of polkit permissions; make sure to refresh your packages for safety.
systemd could be tricked into bypassing polkit authorizations.

Summary

systemd could be tricked into bypassing polkit authorizations.

Software Description:

- systemd: system and service manager

Details:

It was discovered that systemd was using polkit in an unsafe manner. A

local attacker could possibly use this issue to bypass intended polkit

authorizations.

Topics%20covered

Topics Covered

security advisory critical ubuntu bypass authorization polkit systemd

Update Instructions

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

Ubuntu 13.04:
  systemd-services                198-0ubuntu11.2

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

References

CVE-2013-4327

Severity
critical
Lowest
Low
Medium
High
Critical

September 18, 2013

Topics%20covered

Topics Covered

security advisory critical ubuntu bypass authorization polkit systemd

Package Information

https://launchpad.net/ubuntu/+source/systemd/198-0ubuntu11.2

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