CVE-2021-21288

Name	CVE-2021-21288
Description	CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal use and gather information about the Intranet infrastructure of the platform. This is fixed in versions 1.3.2 and 2.1.1.
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)
Debian Bugs	982552

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-carrierwave (PTS)	stretch	0.10.0+gh-4	vulnerable
	buster	1.3.1-2	vulnerable
	sid	1.3.2-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ruby-carrierwave	source	(unstable)	1.3.2-1			982552

Notes

[buster] - ruby-carrierwave <no-dsa> (Minor issue)
[stretch] - ruby-carrierwave <ignored> (No reverse dependencies)
https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-fwcm-636p-68r5
https://github.com/carrierwaveuploader/carrierwave/commit/012702eb3ba1663452aa025831caa304d1a665c0