USN-3686-1: file vulnerabilities

14 June 2018

file vulnerabilities

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

  • Ubuntu 18.04 LTS
  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in file.

Software Description

  • file - Tool to determine file types

Details

Alexander Cherepanov discovered that file incorrectly handled a large number of notes. An attacker could use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9620)

Alexander Cherepanov discovered that file incorrectly handled certain long strings. An attacker could use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9621)

Alexander Cherepanov discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9653)

It was discovered that file incorrectly handled certain magic files. An attacker could use this issue with a specially crafted magic file to cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2015-8865)

It was discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service. (CVE-2018-10360)

Update instructions

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

Ubuntu 18.04 LTS
file - 1:5.32-2ubuntu0.1
libmagic1 - 1:5.32-2ubuntu0.1
Ubuntu 17.10
file - 1:5.32-1ubuntu0.1
libmagic1 - 1:5.32-1ubuntu0.1
Ubuntu 16.04 LTS
file - 1:5.25-2ubuntu1.1
libmagic1 - 1:5.25-2ubuntu1.1
Ubuntu 14.04 LTS
file - 1:5.14-2ubuntu3.4
libmagic1 - 1:5.14-2ubuntu3.4

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