Executive Summary

Title python-apt vulnerabilities
Name USN-4247-1 First vendor Publication 2020-01-22
Vendor Ubuntu Last vendor Modification 2020-01-22
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
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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
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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


Several security issues were fixed in python-apt.

Software Description: - python-apt: Python interface to libapt-pkg


It was discovered that python-apt would still use MD5 hashes to validate certain downloaded packages. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages. (CVE-2019-15795)

It was discovered that python-apt could install packages from untrusted repositories, contrary to expectations. (CVE-2019-15796)

Update instructions:

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

Ubuntu 19.10:
python-apt 1.9.0ubuntu1.2
python3-apt 1.9.0ubuntu1.2

Ubuntu 19.04:
python-apt 1.8.5~ubuntu0.2
python3-apt 1.8.5~ubuntu0.2

Ubuntu 18.04 LTS:
python-apt 1.6.5ubuntu0.1
python3-apt 1.6.5ubuntu0.1

Ubuntu 16.04 LTS:
python-apt 1.1.0~beta1ubuntu0.16.04.7
python3-apt 1.1.0~beta1ubuntu0.16.04.7

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

CVE-2019-15795, CVE-2019-15796

Package Information:

Original Source

Url : http://www.ubuntu.com/usn/USN-4247-1

Alert History

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Date Informations
2020-03-19 13:23:34
  • Multiple Updates
2020-03-19 13:20:13
  • First insertion