[USN-3686-2] file vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3686-2
June 28, 2018

file vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in file.

Software Description:
- file: Tool to determine file types

Details:

USN-3686-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 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.
 (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 12.04 ESM:
  file                            5.09-2ubuntu0.7
  libmagic1                       5.09-2ubuntu0.7

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

References:
  https://usn.ubuntu.com/usn/usn-3686-2
  https://usn.ubuntu.com/usn/usn-3686-1
  CVE-2015-8865, CVE-2018-10360
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