ADVISORIES

• CVE-2022-45442 (NVD)
• GHSA-2x8x-jmrp-phxw
• Vendor Advisory

GEM

sinatra

SEVERITY

CVSS v3.x: 8.8 (High)

PATCHED VERSIONS

• ~> 2.2.3
• >= 3.0.4

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.

RELATED

• 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://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b