CVE-2022-45442

Name	CVE-2022-45442
Description	Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-3264-1
Debian Bugs	1025125

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-sinatra (PTS)	buster	2.0.5-4	vulnerable
	buster (security)	2.0.5-4+deb10u2	fixed
	bullseye	2.0.8.1-2	vulnerable
	bookworm, sid	3.0.5-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ruby-sinatra	source	buster	2.0.5-4+deb10u2		DLA-3264-1
ruby-sinatra	source	(unstable)	3.0.5-2			1025125

Notes

https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw
https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b (v3.0.4)
https://github.com/sinatra/sinatra/commit/1808bcdf3424eab0c659ef2d0e85579aab977a1a (v2.2.3)