Executive Summary

Summary
Title APT vulnerability
Informations
Name USN-3156-1 First vendor Publication 2016-12-13
Vendor Ubuntu Last vendor Modification 2016-12-13
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 : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

An attacker could trick APT into installing altered packages.

Software Description: - apt: Advanced front-end for dpkg

Details:

Jann Horn discovered that APT incorrectly handled InRelease files. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages.

Update instructions:

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

Ubuntu 16.10:
apt 1.3.2ubuntu0.1

Ubuntu 16.04 LTS:
apt 1.2.15ubuntu0.2

Ubuntu 14.04 LTS:
apt 1.0.1ubuntu2.17

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

References:
http://www.ubuntu.com/usn/usn-3156-1
CVE-2016-1252

Package Information:
https://launchpad.net/ubuntu/+source/apt/1.3.2ubuntu0.1
https://launchpad.net/ubuntu/+source/apt/1.2.15ubuntu0.2
https://launchpad.net/ubuntu/+source/apt/1.0.1ubuntu2.17

Original Source

Url : http://www.ubuntu.com/usn/USN-3156-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-295 Certificate Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 95

Nessus® Vulnerability Scanner

Date Description
2016-12-20 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3156-2.nasl - Type : ACT_GATHER_INFO
2016-12-20 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3156-2.nasl - Type : ACT_GATHER_INFO
2016-12-14 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3733.nasl - Type : ACT_GATHER_INFO
2016-12-14 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3156-1.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2017-12-21 00:24:36
  • Multiple Updates
2017-12-05 21:24:06
  • Multiple Updates
2016-12-22 13:22:45
  • Multiple Updates
2016-12-21 13:22:26
  • Multiple Updates
2016-12-15 13:25:11
  • Multiple Updates
2016-12-13 21:24:30
  • First insertion