CVE-2019-20916

Name	CVE-2019-20916
Description	The pip package before 19.2 for Python allows Directory Traversal when a URL is given in an install command, because a Content-Disposition header can have ../ in a filename, as demonstrated by overwriting the /root/.ssh/authorized_keys file. This occurs in _download_http_url in _internal/download.py.
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-2370-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-pip (PTS)	bullseye	20.3.4-4+deb11u1	fixed
	bookworm	23.0.1+dfsg-1	fixed
	sid, trixie	24.3.1+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-pip	source	stretch	9.0.1-2+deb9u2		DLA-2370-1
python-pip	source	(unstable)	20.0.2-1

Notes

[buster] - python-pip <no-dsa> (Minor issue)
https://github.com/pypa/pip/issues/6413
https://github.com/pypa/pip/commit/a4c735b14a62f9cb864533808ac63936704f2ace (19.2)