CVE-2022-29970
HIGH7.5EPSS 0.60%sinatra does not validate expanded path matches
Published: 5/3/2022Modified: 11/4/2025
Also known as:GHSA-qp49-3pvw-x4m5
Description
Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.
Affected packages (4)
- Debian/ruby-sinatrafrom 0, < 2.0.8.1-2+deb11u1
- Debian/ruby-sinatrafrom 0, < 2.0.5-4+deb10u1
- Debian/ruby-sinatrafrom 0, < 2.0.8.1-2+deb11u1
- RubyGems/sinatrafrom 0, < 2.2.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-29970
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-29970
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-29970.yml
- WEBhttps://github.com/sinatra/sinatra
- WEBhttps://github.com/sinatra/sinatra/pull/1683
- WEBhttps://github.com/sinatra/sinatra/pull/1683/commits/462c3ca1db53ed3cfc394cf5948e9c948ad1c10e
- WEBhttps://github.com/skylightio/skylight-ruby/pull/294
- WEBhttps://lists.debian.org/debian-lts-announce/2022/10/msg00034.html
- WEBhttps://lists.debian.org/debian-lts-announce/2024/09/msg00020.html