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=========================================================================Ubuntu Security Notice USN-2183-2
May 01, 2014

dpkg vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

A malicious source package could write files outside the unpack directory.

Software Description:
- dpkg: Debian package management system

Details:

USN-2183-1 fixed a vulnerability in dpkg. Javier Serrano Polo discovered
that the fix introduced a vulnerability in releases with an older version
of the patch utility. This update fixes the problem.

Original advisory details:

 Jakub Wilk discovered that dpkg incorrectly certain paths and symlinks when
 unpacking source packages. If a user or an automated system were tricked
 into unpacking a specially crafted source package, a remote attacker could
 modify files outside the target unpack directory, leading to a denial of
 service or potentially gaining access to the system.

Update instructions:

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

Ubuntu 14.04 LTS:
  libdpkg-perl                    1.17.5ubuntu5.2

Ubuntu 13.10:
  libdpkg-perl                    1.16.12ubuntu1.2

Ubuntu 12.10:
  libdpkg-perl                    1.16.7ubuntu6.2

Ubuntu 12.04 LTS:
  libdpkg-perl                    1.16.1.2ubuntu7.4

Ubuntu 10.04 LTS:
  dpkg-dev                        1.15.5.6ubuntu4.8

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

References:
  https://ubuntu.com/security/notices/USN-2183-2
  https://ubuntu.com/security/notices/USN-2183-1
  CVE-2014-0471

Package Information:
  https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.2
  https://launchpad.net/ubuntu/+source/dpkg/1.16.12ubuntu1.2
  https://launchpad.net/ubuntu/+source/dpkg/1.16.7ubuntu6.2
  https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.4
  https://launchpad.net/ubuntu/+source/dpkg/1.15.5.6ubuntu4.8


Ubuntu 2183-2: dpkg vulnerability

May 1, 2014
A malicious source package could write files outside the unpack directory.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: libdpkg-perl 1.17.5ubuntu5.2 Ubuntu 13.10: libdpkg-perl 1.16.12ubuntu1.2 Ubuntu 12.10: libdpkg-perl 1.16.7ubuntu6.2 Ubuntu 12.04 LTS: libdpkg-perl 1.16.1.2ubuntu7.4 Ubuntu 10.04 LTS: dpkg-dev 1.15.5.6ubuntu4.8 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2183-2

https://ubuntu.com/security/notices/USN-2183-1

CVE-2014-0471

Severity
May 01, 2014

Package Information

https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.2 https://launchpad.net/ubuntu/+source/dpkg/1.16.12ubuntu1.2 https://launchpad.net/ubuntu/+source/dpkg/1.16.7ubuntu6.2 https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.4 https://launchpad.net/ubuntu/+source/dpkg/1.15.5.6ubuntu4.8

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