CVE-2018-3760

Name	CVE-2018-3760
Description	There is an information leak vulnerability in Sprockets. Versions Affected: 4.0.0.beta7 and lower, 3.7.1 and lower, 2.12.4 and lower. Specially crafted requests can be used to access files that exists on the filesystem that is outside an application's root directory, when the Sprockets server is used in production. All users running an affected release should either upgrade or use one of the work arounds immediately.
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-1419-1, DSA-4242-1
Debian Bugs	901913

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-sprockets (PTS)	buster, bullseye	3.7.2-1	fixed
	sid, trixie, bookworm	3.7.2-4	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
ruby-sprockets	source	jessie	2.12.3-1+deb8u1	DLA-1419-1
ruby-sprockets	source	stretch	3.7.0-1+deb9u1	DSA-4242-1
ruby-sprockets	source	(unstable)	3.7.0-1.1		901913

Notes

https://www.openwall.com/lists/oss-security/2018/06/19/2
https://github.com/rails/sprockets/commit/c09131cf5b2c479263939c8582e22b98ed616c5f (master)
https://github.com/rails/sprockets/commit/9c34fa05900b968d74f08ccf40917848a7be9441 (3.x)
https://github.com/rails/sprockets/commit/18b8a7f07a50c245e9aee7854ecdbe606bbd8bb5 (2.x)