GHSA-2x8x-jmrp-phxw

Sinatra vulnerable to Reflected File Download attack

Source: GitHub Advisory Database (reviewed) High CVE-2022-45442

Packages

Ecosystem	Package	Affected	Fixed in
RubyGems	sinatra	>= 3.0, < 3.0.4	3.0.4
RubyGems	sinatra	>= 2.0.0, < 2.2.3	2.2.3

Details

As written in the advisory (Markdown source, shown as plain text).

### Description 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. ### References * https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf * https://github.com/advisories/GHSA-8x94-hmjh-97hq

References

External links from the advisory. They lead to third-party sites.

https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw web
https://nvd.nist.gov/vuln/detail/CVE-2022-45442 advisory
https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b web
https://github.com/advisories/GHSA-8x94-hmjh-97hq advisory
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-45442.yml web
https://github.com/sinatra/sinatra package
https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html web
https://lists.debian.org/debian-lts-announce/2024/09/msg00020.html web
https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf web