USN-4247-3: python-apt vulnerabilities
23 January 2020
Several security issues were fixed in python-apt.
- 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)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-4247-1: python-apt-common, python-apt-dev, python-apt, python3-apt, python-apt-doc