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CVE-2022-45442

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Date: November 27, 2022

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.

Language: Ruby

Severity Score

Related Resources (10)

https://github.com/sinatra/sinatra
https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf
https://nvd.nist.gov/vuln/detail/CVE-2022-45442
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-45442.yml
https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw
https://access.redhat.com/security/cve/CVE-2022-45442
https://github.com/advisories/GHSA-8x94-hmjh-97hq
https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b
https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html
https://www.mend.io/vulnerability-database/CVE-2022-45442

Severity Score

Weakness Type (CWE)

Download of Code Without Integrity Check

CWE-494

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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