USN-3736-1: libarchive vulnerabilities

13 August 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References