CVE-2018-11408

Name	CVE-2018-11408
Description	The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container. NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.
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)
References	DLA-1707-1
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
symfony (PTS)	jessie	2.3.21+dfsg-4+deb8u3	vulnerable
	jessie (security)	2.3.21+dfsg-4+deb8u5	fixed
	stretch	2.8.7+dfsg-1.3+deb9u1	fixed
	stretch (security)	2.8.7+dfsg-1.3+deb9u2	fixed
	buster, sid	3.4.22+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
symfony	source	(unstable)	3.4.12+dfsg-1	medium
symfony	source	jessie	2.3.21+dfsg-4+deb8u4	medium	DLA-1707-1
symfony	source	stretch	(not affected)

Notes

[stretch] - symfony <not-affected> (Incomplete fix for CVE-2017-16652 wasn't backported)
https://symfony.com/blog/cve-2018-11408-open-redirect-vulnerability-on-security-handlers