Executive Summary

Summary
Title APT vulnerability
Informations
NameUSN-3863-1First vendor Publication2019-01-22
VendorUbuntuLast vendor Modification2019-01-22
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score9.3Attack RangeNetwork
Cvss Impact Score10Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.10 - Ubuntu 18.04 LTS - 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:

Max Justicz discovered that APT incorrectly handled certain parameters during redirects. 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 18.10:
apt 1.7.0ubuntu0.1

Ubuntu 18.04 LTS:
apt 1.6.6ubuntu0.1

Ubuntu 16.04 LTS:
apt 1.2.29ubuntu0.1

Ubuntu 14.04 LTS:
apt 1.0.1ubuntu2.19

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

References:
https://usn.ubuntu.com/usn/usn-3863-1
CVE-2019-3462

Package Information:
https://launchpad.net/ubuntu/+source/apt/1.7.0ubuntu0.1
https://launchpad.net/ubuntu/+source/apt/1.6.6ubuntu0.1
https://launchpad.net/ubuntu/+source/apt/1.2.29ubuntu0.1
https://launchpad.net/ubuntu/+source/apt/1.0.1ubuntu2.19

Original Source

Url : http://www.ubuntu.com/usn/USN-3863-1

CWE : Common Weakness Enumeration

%idName
100 %CWE-74Failure to Sanitize Data into a Different Plane ('Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application424
Application1
Application1
Os5
Os2

Alert History

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0
1
2
3
DateInformations
2019-02-21 12:09:52
  • Multiple Updates
2019-02-10 12:05:53
  • Multiple Updates
2019-01-22 17:21:29
  • Multiple Updates
2019-01-22 17:18:49
  • First insertion