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CVE-2022-21692— Improper Access Control in Onionshare

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，该漏洞源于在受影响的版本中，任何访问聊天环境的人都可以编写伪装成另一个聊天参与者的消息。

CVSS 4.3 · Medium EPSS 0.78% · P54

Possible ATT&CK Techniques 1 AI

T1098.004 · SSH Authorized Keys
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I. Basic Information for CVE-2022-21692

Vulnerability Information
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Vulnerability Title
Improper Access Control in Onionshare
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. In affected versions anyone with access to the chat environment can write messages disguised as another chat participant.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OnionShare 授权问题漏洞
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，该漏洞源于在受影响的版本中，任何访问聊天环境的人都可以编写伪装成另一个聊天参与者的消息。
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-2022-21692

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III. Intelligence Information for CVE-2022-21692

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Vendor Advisories for CVE-2022-21692 (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-2022-21695 4.3 MEDIUM Improper Access Control in Onionshare
CVE-2022-21696 4.3 MEDIUM Username spoofing in OnionShare
CVE-2022-21694 3.7 LOW OTF-006: Broken Website Hardening Control: The CSP can be turned on or off but not configu

IV. Related Vulnerabilities

Same product: onionshare
Same vendor: onionshare
Same weakness: CWE-287

V. Comments for CVE-2022-21692

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