CVE-2019-15795

Name	CVE-2019-15795
Description	python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2074-1, DSA-4609-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-apt (PTS)	jessie, jessie (lts)	0.9.3.14	fixed
	stretch (security), stretch (lts), stretch	1.4.3	fixed
	buster, buster (security)	1.8.4.3	fixed
	bullseye	2.2.1	fixed
	bookworm	2.6.0	fixed
	sid, trixie	2.8.0	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
python-apt	source	wheezy	(unfixed)	end-of-life
python-apt	source	jessie	0.9.3.13		DLA-2074-1
python-apt	source	stretch	1.4.1		DSA-4609-1
python-apt	source	buster	1.8.4.1		DSA-4609-1
python-apt	source	(unstable)	1.8.5

https://salsa.debian.org/apt-team/python-apt/commit/e175130e51c2b0424f3dfeb825e3dc598fec1a24 (1.8.5)