USN-3686-1: file vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 17.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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

• 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

• file - 1:5.25-2ubuntu1.1
• libmagic1 - 1:5.25-2ubuntu1.1

Ubuntu 14.04

• file - 1:5.14-2ubuntu3.4
• libmagic1 - 1:5.14-2ubuntu3.4

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

References

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

Related notices

• USN-2984-1
• USN-3686-2