[USN-3624-2] Patch vulnerabilities

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Ubuntu Security Notice USN-3624-2
April 16, 2018

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Patch.

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

Details:

USN-3624-1 fixed a vulnerability in Patch. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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)

Update instructions:

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

Ubuntu 12.04 ESM:
  patch                           2.6.1-3ubuntu0.2

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

References:
  https://usn.ubuntu.com/usn/usn-3624-2
  https://usn.ubuntu.com/usn/usn-3624-1
  CVE-2016-10713, CVE-2018-1000156