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CVE-2022-21694— OTF-006: Broken Website Hardening Control: The CSP can be turned on or off but not configured for the specific needs of the website

Quick assessment

Affected
onionshare onionshare
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.

OnionShare是一种开源工具。用于安全且匿名地共享文件、托管网站以及使用 Tor 网络与朋友聊天。 OnionShare存在安全漏洞，该漏洞源于onionshare的网站模式允许使用加固的CSP，这将阻止任何脚本和外部资源。不可能为单个页面配置这个CSP，因此安全增强不能用于使用javascript或外部资源(如字体或图像)的网站。

CVSS 3.7 · Low EPSS 1.26% · P69

Possible ATT&CK Techniques 1 AI

T1562.008
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I. Basic Information for CVE-2022-21694

Vulnerability Information
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Vulnerability Title
OTF-006: Broken Website Hardening Control: The CSP can be turned on or off but not configured for the specific needs of the website
Source: CVE Program / CVE List V5
Vulnerability Description
OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. The website mode of the onionshare allows to use a hardened CSP, which will block any scripts and external resources. It is not possible to configure this CSP for individual pages and therefore the security enhancement cannot be used for websites using javascript or external resources like fonts or images.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
OnionShare 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OnionShare是一种开源工具。用于安全且匿名地共享文件、托管网站以及使用 Tor 网络与朋友聊天。 OnionShare存在安全漏洞，该漏洞源于onionshare的网站模式允许使用加固的CSP，这将阻止任何脚本和外部资源。不可能为单个页面配置这个CSP，因此安全增强不能用于使用javascript或外部资源(如字体或图像)的网站。
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
onionshare onionshare < 2.5 -

II. Public POCs for CVE-2022-21694

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III. Intelligence Information for CVE-2022-21694

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Vendor Advisories for CVE-2022-21694 (1)

Other References for CVE-2022-21694 (1)

Same Patch Batch · onionshare · 2022-01-18 · 9 CVEs total

CVE-2022-21690 8.7 HIGH Cross-Site Scripting in Onionshare
CVE-2022-21688 7.5 HIGH Out-of-bounds Read in Onionshare
CVE-2022-21689 7.5 HIGH Denial of Service in Onionshare
CVE-2022-21693 6.3 MEDIUM Path traversal in Onionshare
CVE-2022-21691 4.3 MEDIUM Improper Access Control in Onionshare
CVE-2022-21692 4.3 MEDIUM Improper Access Control in Onionshare
CVE-2022-21695 4.3 MEDIUM Improper Access Control in Onionshare
CVE-2022-21696 4.3 MEDIUM Username spoofing in OnionShare

IV. Related Vulnerabilities

Same product: onionshare
Same vendor: onionshare
Same weakness: CWE-732

V. Comments for CVE-2022-21694

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