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I. Basic Information for CVE-2021-42074
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening and closing TCP connections while sending a Hello message for each TCP session.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Barrier 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Barrier是一种模仿 Kvm 切换器功能的软件。 Barrier 存在安全漏洞,该漏洞源于在2.3.4之前的Barrier同时为每个TCP会话发送Hello消息,从而导致Barrier组件(也就是Barrier的服务器端实现)的分段错误。
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
-n/a n/a -
II. Public POCs for CVE-2021-42074
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III. Intelligence Information for CVE-2021-42074
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IV. Related Vulnerabilities
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