CVE-2015-3644

Name	CVE-2015-3644
Description	Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-3299-1
Debian Bugs	785352

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
stunnel4 (PTS)	bullseye	3:5.56+dfsg-10	fixed
	bookworm	3:5.68-2+deb12u1	fixed
	trixie, sid	3:5.74-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
stunnel4	source	squeeze	(not affected)
stunnel4	source	wheezy	(not affected)
stunnel4	source	jessie	3:5.06-2+deb8u1	DSA-3299-1
stunnel4	source	(unstable)	3:5.18-1		785352

Notes

[wheezy] - stunnel4 <not-affected> (Affects 5.00 through 5.13 with specfic configurations)
[squeeze] - stunnel4 <not-affected> (Affects 5.00 through 5.13 with specfic configurations)
https://www.stunnel.org/CVE-2015-3644.html