Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 14.04 LTS USN-2246-1 Critical: APT Altered Packages Issue

ubuntu
Calendar Grey June 17, 2014
Scroller Ubuntu
Ubuntu has a serious APT security flaw that could enable hackers to inject tampered packages via a man-in-the-middle strategy. Discover additional details.
An attacker could trick APT into installing altered source packages.

Summary

An attacker could trick APT into installing altered source packages.

Software Description:

- apt: Advanced front-end for dpkg

Details:

Jakub Wilk discovered that APT did not correctly validate signatures when

downloading source packages. If a remote attacker were able to perform a

man-in-the-middle attack, this flaw could potentially be used to install

altered source packages.

Update Instructions

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

Ubuntu 14.04 LTS:
  apt                             1.0.1ubuntu2.1

Ubuntu 13.10:
  apt                             0.9.9.1~ubuntu3.2

Ubuntu 12.04 LTS:
  apt                             0.8.16~exp12ubuntu10.17

Ubuntu 10.04 LTS:
  apt                             0.7.25.3ubuntu9.15

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2246-1

CVE-2014-0478

Severity
critical
Lowest
Low
Medium
High
Critical

June 17, 2014

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.