N/A - USN-4176-1

Executive Summary

Summary
Title	GNU cpio vulnerability

Informations
Name	USN-4176-1	First vendor Publication	2019-11-06
Vendor	Ubuntu	Last vendor Modification	2019-11-06
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

GNU cpio could be made to expose sensitive information if it received a specially crafted input.

Software Description: - cpio: a tool to manage archives of files

Details:

Thomas Habets discovered that GNU cpio incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 19.10:
cpio 2.12+dfsg-9ubuntu0.1

Ubuntu 19.04:
cpio 2.12+dfsg-6ubuntu0.19.04.1

Ubuntu 18.04 LTS:
cpio 2.12+dfsg-6ubuntu0.18.04.1

Ubuntu 16.04 LTS:
cpio 2.11+dfsg-5ubuntu1.1

Ubuntu 14.04 ESM:
cpio 2.11+dfsg-1ubuntu1.2+esm1

Ubuntu 12.04 ESM:
cpio 2.11-7ubuntu3.3

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

References:
https://usn.ubuntu.com/4176-1
CVE-2019-14866

Package Information:
https://launchpad.net/ubuntu/+source/cpio/2.12+dfsg-9ubuntu0.1
https://launchpad.net/ubuntu/+source/cpio/2.12+dfsg-6ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/cpio/2.12+dfsg-6ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/cpio/2.11+dfsg-5ubuntu1.1