==========================================================================
Ubuntu Security Notice USN-2958-1
May 02, 2016

poppler vulnerabilities
==========================================================================

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

– Ubuntu 15.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

poppler could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
– poppler: PDF rendering library

Details:

It was discovered that the poppler pdfseparate tool incorrectly handled
certain filenames. A local attacker could use this issue to cause the tool
to crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only applied to Ubuntu 12.04 LTS. (CVE-2013-4473,
CVE-2013-4474)

It was discovered that poppler incorrectly parsed certain malformed PDF
documents. If a user or automated system were tricked into opening a
crafted PDF file, an attacker could cause a denial of service or possibly
execute arbitrary code with privileges of the user invoking the program.
(CVE-2015-8868)

Update instructions:

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

Ubuntu 15.10:
libpoppler-cpp0 0.33.0-0ubuntu3.1
libpoppler-glib8 0.33.0-0ubuntu3.1
libpoppler-qt4-4 0.33.0-0ubuntu3.1
libpoppler-qt5-1 0.33.0-0ubuntu3.1
libpoppler52 0.33.0-0ubuntu3.1
poppler-utils 0.33.0-0ubuntu3.1

Ubuntu 14.04 LTS:
libpoppler-cpp0 0.24.5-2ubuntu4.4
libpoppler-glib8 0.24.5-2ubuntu4.4
libpoppler-qt4-4 0.24.5-2ubuntu4.4
libpoppler-qt5-1 0.24.5-2ubuntu4.4
libpoppler44 0.24.5-2ubuntu4.4
poppler-utils 0.24.5-2ubuntu4.4

Ubuntu 12.04 LTS:
libpoppler-cpp0 0.18.4-1ubuntu3.2
libpoppler-glib8 0.18.4-1ubuntu3.2
libpoppler-qt4-3 0.18.4-1ubuntu3.2
libpoppler19 0.18.4-1ubuntu3.2
poppler-utils 0.18.4-1ubuntu3.2

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

References:
http://www.ubuntu.com/usn/usn-2958-1
CVE-2013-4473, CVE-2013-4474, CVE-2015-8868

Package Information:
https://launchpad.net/ubuntu/+source/poppler/0.33.0-0ubuntu3.1
https://launchpad.net/ubuntu/+source/poppler/0.24.5-2ubuntu4.4
https://launchpad.net/ubuntu/+source/poppler/0.18.4-1ubuntu3.2

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