[USN-3624-1] Patch vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3624-1
April 10, 2018

patch vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Patch.

Software Description:
- patch: Apply a diff file to an original

Details:

It was discovered that Patch incorrectly handled certain files. An
attacker could possibly use this to cause a denial of service. 
(CVE-2016-10713)

It was discovered that Patch incorrectly handled certain input
validation. An attacker could possibly use this to execute arbitrary
code. (CVE-2018-1000156)

It was discovered that Patch incorrectly handled certain inputs. An
attacker could possibly use this to cause a denial of service. 
(CVE-2018-6951)

Update instructions:

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

Ubuntu 17.10:
  patch                           2.7.5-1ubuntu0.2

Ubuntu 16.04 LTS:
  patch                           2.7.5-1ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  patch                           2.7.1-4ubuntu2.4

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

References:
  https://usn.ubuntu.com/usn/usn-3624-1
  CVE-2016-10713, CVE-2018-1000156, CVE-2018-6951

Package Information:
  https://launchpad.net/ubuntu/+source/patch/2.7.5-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/patch/2.7.5-1ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/patch/2.7.1-4ubuntu2.4
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