[USN-4071-2] Patch vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4071-2
July 24, 2019

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

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

- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Patch.

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

Details:

USN-4071-1 fixed several vulnerabilities in Patch. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

 It was discovered that Patch incorrectly handled certain files.
 An attacker could possibly use this issue to access sensitive information.
 (CVE-2019-13636)

 It was discovered that Patch incorrectly handled certain files.
 An attacker could possibly use this issue to execute arbitrary code.
 (CVE-2019-13638)

Update instructions:

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

Ubuntu 14.04 ESM:
  patch                           2.7.1-4ubuntu2.4+esm1

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

References:
  https://usn.ubuntu.com/4071-2
  https://usn.ubuntu.com/4071-1
  CVE-2019-13636, CVE-2019-13638
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