CVE-2020-29565

Name	CVE-2020-29565
Description	An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and 18.x before 18.3.3, 18.4.x, and 18.5.x. There is a lack of validation of the "next" parameter, which would allow someone to supply a malicious URL in Horizon that can cause an automatic redirect to the provided malicious URL.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DSA-4820-1
Debian Bugs	976872

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
horizon (PTS)	buster, buster (security)	3:14.0.2-3+deb10u2	fixed
	bullseye	3:18.6.2-5+deb11u1	fixed
	bookworm, sid	3:23.0.0-5	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
horizon	source	buster	3:14.0.2-3+deb10u2		DSA-4820-1
horizon	source	(unstable)	3:18.6.1-1			976872

Notes

[stretch] - horizon <no-dsa> (Minor issue)
https://bugs.launchpad.net/horizon/+bug/1865026
https://review.opendev.org/c/openstack/horizon/+/758841/
https://review.opendev.org/c/openstack/horizon/+/758843/
https://opendev.org/openstack/horizon/commit/252467100f75587e18df9c43ed5802ee8f0017fa