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I. Basic Information for CVE-2022-21689
Vulnerability Information

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Vulnerability Title
Denial of Service in Onionshare
Source: NVD (National Vulnerability Database)
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 the receive mode limits concurrent uploads to 100 per second and blocks other uploads in the same second, which can be triggered by a simple script. An adversary with access to the receive mode can block file upload for others. There is no way to block this attack in public mode due to the anonymity properties of the tor network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
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,该漏洞源于在受影响的版本中,接收模式将并发上传限制为每秒100次,并在同一秒内阻止其他上传,这可以由一个简单的脚本触发。访问接收模式的对手可以阻止其他人上传文件。由于tor网络的匿名性,在公开模式下无法阻止这种攻击。
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
VendorProductAffected VersionsCPESubscribe
onionshareonionshare < 2.5 -
II. Public POCs for CVE-2022-21689
#POC DescriptionSource LinkShenlong Link
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Qwen3.6-35B-A3B · 7739 chars
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III. Intelligence Information for CVE-2022-21689
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IV. Related Vulnerabilities
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