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CVE-2022-45442— Sinatra vulnerable to Reflected File Download attack

Quick assessment

Affected
sinatra sinatra
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sinatra是一种DSL,用于在Ruby中轻松创建Web应用程序。 Sinatra 2.0版本至2.2.3之前版本、3.0版本至3.0.4之前版本存在安全漏洞，该漏洞源于当文件名源自用户提供的输入时，应用程序容易受到反射文件下载（RFD）攻击。

CVSS 8.8 · High EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2022-45442

Vulnerability Information
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Vulnerability Title
Sinatra vulnerable to Reflected File Download attack
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
Sinatra 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sinatra是一种DSL,用于在Ruby中轻松创建Web应用程序。 Sinatra 2.0版本至2.2.3之前版本、3.0版本至3.0.4之前版本存在安全漏洞，该漏洞源于当文件名源自用户提供的输入时，应用程序容易受到反射文件下载（RFD）攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
sinatra sinatra >= 3.0, < 3.0.4 -

II. Public POCs for CVE-2022-45442

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III. Intelligence Information for CVE-2022-45442

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Patches & Fixes for CVE-2022-45442 (1)

Vendor Advisories for CVE-2022-45442 (1)

Mailing List Discussions for CVE-2022-45442 (1)

Other References for CVE-2022-45442 (2)

IV. Related Vulnerabilities

Same product: sinatra
Same vendor: sinatra
Same weakness: CWE-494

V. Comments for CVE-2022-45442

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