Executive Summary

Title python-apt vulnerabilities
Name USN-4247-3 First vendor Publication 2020-01-23
Vendor Ubuntu Last vendor Modification 2020-01-23
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 14.04 ESM - Ubuntu 12.04 ESM


Several security issues were fixed in python-apt.

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


USN-4247-1 fixed several vulnerabilities in python-apt. This update provides the corresponding updates for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

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 14.04 ESM:

Ubuntu 12.04 ESM:
python-apt 0.8.3ubuntu7.5
python3-apt 0.8.3ubuntu7.5

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

CVE-2019-15795, CVE-2019-15796

Original Source

Url : http://www.ubuntu.com/usn/USN-4247-3

Alert History

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Date Informations
2020-01-23 17:19:12
  • First insertion