CVE-2019-13038

Name	CVE-2019-13038
Description	mod_auth_mellon through 0.14.2 has an Open Redirect via the login?ReturnTo= substring, as demonstrated by omitting the // after http: in the target URL.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium (attack range: remote)
Debian Bugs	931265

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libapache2-mod-auth-mellon (PTS)	jessie	0.9.1-1	vulnerable
	stretch (security), stretch	0.12.0-2+deb9u1	vulnerable
	bullseye, sid, buster	0.14.2-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libapache2-mod-auth-mellon	source	(unstable)	(unfixed)	medium		931265

Notes

[jessie] - libapache2-mod-auth-mellon <ignored> (Open Redirect protection not implemented yet)
https://github.com/Uninett/mod_auth_mellon/issues/35#issuecomment-503974885