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I. Basic Information for CVE-2021-31227
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length, which bypasses the size checks and results in a large heap overflow in the wbs_multidata buffer copy.
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
HCC Embedded InterNiche 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCC Embedded InterNiche是一款时事通讯软件。 HCC Embedded InterNiche中存在安全漏洞。该漏洞源于TCP/IP堆栈解析HTTP POST请求代码的缓存堆溢出。
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
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II. Public POCs for CVE-2021-31227
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III. Intelligence Information for CVE-2021-31227
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