USN-2348-1: APT vulnerabilities

Releases

• Ubuntu 14.04 ESM
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• apt - Advanced front-end for dpkg

Details

It was discovered that APT did not re-verify downloaded files when the
If-Modified-Since wasn't met. (CVE-2014-0487)

It was discovered that APT did not invalidate repository data when it
switched from an unauthenticated to an authenticated state. (CVE-2014-0488)

It was discovered that the APT Acquire::GzipIndexes option caused APT to
skip checksum validation. This issue only applied to Ubuntu 12.04 LTS and
Ubuntu 14.04 LTS, and was not enabled by default. (CVE-2014-0489)

It was discovered that APT did not correctly validate signatures when
manually downloading packages using the download command. This issue only
applied to Ubuntu 12.04 LTS. (CVE-2014-0490)

Update instructions

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

Ubuntu 14.04

• apt - 1.0.1ubuntu2.3

Ubuntu 12.04

• apt - 0.8.16~exp12ubuntu10.19

Ubuntu 10.04

• apt - 0.7.25.3ubuntu9.16

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

References

• CVE-2014-0487
• CVE-2014-0488
• CVE-2014-0489
• CVE-2014-0490