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Ubuntu 16.04 LTS USN-3033-1 Moderate: Libarchive Crash Risk and Update

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Calendar Grey July 14, 2016
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A vulnerability in Libarchive on Ubuntu may lead to system crashes, posing risks of denial of service and potential code execution; an update is necessary for protection.
libarchive could be made to crash or run programs if it opened a specially crafted file.

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-2016-430...

Read the Full Advisory

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

https://ubuntu.com/security/notices/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

Severity
important
Lowest
Low
Medium
High
Critical

July 14, 2016

Package Information

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