CVE-2022-45442

Summary

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.

Affected Software

Weaknesses

• CWE-494: CWE-494: Download of Code Without Integrity Check

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw
• https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b
• https://github.com/advisories/GHSA-8x94-hmjh-97hq
• https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf
• https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html
• https://lists.debian.org/debian-lts-announce/2024/09/msg00020.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw
• https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b
• https://github.com/advisories/GHSA-8x94-hmjh-97hq
• https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf
• https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html

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