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Ubuntu 11.04 USN-1169-1 Severe: APT Attack Package Alteration

ubuntu
Calendar Grey July 13, 2011
Scroller Ubuntu
A malicious actor might take advantage of APT vulnerabilities to deploy modified software packages, jeopardizing Ubuntu 11.04 systems. Ensure your system is updated to maintain security.
An attacker could trick APT into installing altered packages.

Summary

An attacker could trick APT into installing altered packages.

Software Description:

- apt: Advanced front-end for dpkg

Details:

William Grant discovered that APT incorrectly validated inline GPG

signatures. If a remote attacker were able to perform a man-in-the-middle

attack, this flaw could potentially be used to install altered packages.

Topics%20covered

Topics Covered

security advisory Ubuntu man-in-the-middle APT malicious package severe threat

Update Instructions

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

Ubuntu 11.04:
  apt                             0.8.13.2ubuntu4.1

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

References

https://ubuntu.com/security/notices/USN-1169-1

CVE-2011-1829

Severity
important
Lowest
Low
Medium
High
Critical

July 13, 2011

Topics%20covered

Topics Covered

security advisory Ubuntu man-in-the-middle APT malicious package severe threat

Package Information

https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.1

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