High severityNVD Advisory· Published Nov 28, 2022· Updated Nov 4, 2025
Sinatra vulnerable to Reflected File Download attack
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
sinatraRubyGems | >= 3.0, < 3.0.4 | 3.0.4 |
sinatraRubyGems | >= 2.0.0, < 2.2.3 | 2.2.3 |
Affected products
4- ghsa-coords3 versions
>= 3.0, < 3.0.4+ 2 more
- (no CPE)range: >= 3.0, < 3.0.4
- (no CPE)range: < 0.10.14-5.el8_7.2.alma
- (no CPE)range: < 0.10.14-5.el8_7.2.alma
Patches
Vulnerability mechanics
References
9- github.com/advisories/GHSA-2x8x-jmrp-phxwghsaADVISORY
- github.com/advisories/GHSA-8x94-hmjh-97hqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2022-45442ghsaADVISORY
- github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-45442.ymlghsaWEB
- github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363bghsaWEB
- github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxwghsaWEB
- lists.debian.org/debian-lts-announce/2023/01/msg00005.htmlghsamailing-listWEB
- lists.debian.org/debian-lts-announce/2024/09/msg00020.htmlghsaWEB
- www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdfghsaWEB
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