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    CVE-2022-45442

    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.

    Published:Nov 28, 2022
    Last Modified:Nov 4, 2025
    EPS:Nov 28, 2022
    EPSS Score:0.002
    CVSS Score:8.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Sinatrarb
    Product
    Sinatra

    Exploits

    https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdfhttps://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf

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    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High