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Ubuntu Security Notice USN-3033-1

Ubuntu Security Notice USN-3033-1
Posted Jul 14, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3033-1 - Hanno Boeck discovered that libarchive contained multiple security issues when processing certain malformed archive files. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. Marcin "Icewall" Noga discovered that libarchive contained multiple security issues when processing certain malformed archive files. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2015-8916, CVE-2015-8917, CVE-2015-8919, CVE-2015-8920, CVE-2015-8921, CVE-2015-8922, CVE-2015-8923, CVE-2015-8924, CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8930, CVE-2015-8931, CVE-2015-8932, CVE-2015-8933, CVE-2015-8934, CVE-2016-4300, CVE-2016-4302, CVE-2016-4809, CVE-2016-5844
SHA-256 | 20397b68c196f08762e206ddfee872c463277203d02a0239edab2890f6948681

Ubuntu Security Notice USN-3033-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3033-1
July 14, 2016

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

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

- Ubuntu 16.04 LTS
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

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

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

Details:

Hanno Böck discovered that libarchive contained multiple security issues
when processing certain malformed archive files. A remote attacker could
use this issue to cause libarchive to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2015-8916, CVE-2015-8917
CVE-2015-8919, CVE-2015-8920, CVE-2015-8921, CVE-2015-8922, CVE-2015-8923,
CVE-2015-8924, CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8930,
CVE-2015-8931, CVE-2015-8932, CVE-2015-8933, CVE-2015-8934, CVE-2016-5844)

Marcin "Icewall" Noga discovered that libarchive contained multiple
security issues when processing certain malformed archive files. A remote
attacker could use this issue to cause libarchive to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2016-4300,
CVE-2016-4302)

It was discovered that libarchive incorrectly handled memory allocation
with large cpio symlinks. A remote attacker could use this issue to
possibly cause libarchive to crash, resulting in a denial of service.
(CVE-2016-4809)

Update instructions:

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

Ubuntu 16.04 LTS:
libarchive13 3.1.2-11ubuntu0.16.04.2

Ubuntu 15.10:
libarchive13 3.1.2-11ubuntu0.15.10.2

Ubuntu 14.04 LTS:
libarchive13 3.1.2-7ubuntu2.3

Ubuntu 12.04 LTS:
libarchive12 3.0.3-6ubuntu1.3

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

References:
http://www.ubuntu.com/usn/usn-3033-1
CVE-2015-8916, CVE-2015-8917, CVE-2015-8919, CVE-2015-8920,
CVE-2015-8921, CVE-2015-8922, CVE-2015-8923, CVE-2015-8924,
CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8930,
CVE-2015-8931, CVE-2015-8932, CVE-2015-8933, CVE-2015-8934,
CVE-2016-4300, CVE-2016-4302, CVE-2016-4809, CVE-2016-5844

Package Information:
https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.15.10.2
https://launchpad.net/ubuntu/+source/libarchive/3.1.2-7ubuntu2.3
https://launchpad.net/ubuntu/+source/libarchive/3.0.3-6ubuntu1.3


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