python-apt vulnerabilities
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
Summary
Several security issues were fixed in python-apt.
Software Description
* python-apt - Python interface to libapt-pkg
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 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
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary
changes.
References
* CVE-2019-15795
* CVE-2019-15796
--- Mystic BBS v1.12 A43 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)