USN-3686-1: file vulnerabilities

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-2014-9620)

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

• CVE-2014-9620
• CVE-2014-9621
• CVE-2014-9653
• CVE-2015-8865
• CVE-2018-10360

from Ubuntu Security Notices https://ift.tt/2sUlT9s