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Ubuntu Security Notice USN-3736-1
August 13, 2018

libarchive vulnerabilities
==========================================================================

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

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libarchive.

Software Description:
– libarchive: Library to read/write archive files

Details:

It was discovered that libarchive incorrectly handled certain archive
files. A remote attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu
16.04 LTS. (CVE-2016-10209, CVE-2016-10349, CVE-2016-10350)

Agostino Sarubbo discovered that libarchive incorrectly handled certain
XAR files. A remote attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu
16.04 LTS. (CVE-2017-14166)

It was discovered that libarchive incorrectly handled certain files.
A remote attacker could possibly use this issue to get access to
sensitive information. (CVE-2017-14501, CVE-2017-14503)

Update instructions:

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

Ubuntu 18.04 LTS:
libarchive13                    3.2.2-3.1ubuntu0.1

Ubuntu 16.04 LTS:
libarchive13                    3.1.2-11ubuntu0.16.04.4

Ubuntu 14.04 LTS:
libarchive13                    3.1.2-7ubuntu2.6

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

References:
https://usn.ubuntu.com/usn/usn-3736-1
CVE-2016-10209, CVE-2016-10349, CVE-2016-10350, CVE-2017-14166,
CVE-2017-14501, CVE-2017-14503

Package Information:
https://launchpad.net/ubuntu/+source/libarchive/3.2.2-3.1ubuntu0.1
https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.16.04.4
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