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I. Basic Information for CVE-2021-33484
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. An attacker can download a copy of the installer, decompile it, and discover a hardcoded IV used to encrypt the username and userid in the comment POST request. Additionally, the attacker can decrypt the encrypted encryption key (sent as a parameter in the comment form request) by setting this encrypted value as the username, which will appear on the comment page in its decrypted form. Using these two values (combined with the encryption functionality discovered in the decompiled installer), the attacker can encrypt another user's ID and username. These values can be used as part of the comment posting request in order to spoof the user.
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
OnyakTech Comments Pro 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OnyakTech Comments Pro是自 2003 年以来构建 DNN 模块。 OnyakTech Comments Pro 中存在信任管理问题漏洞,该漏洞源于在评论帖子请求功能中的用户名与用户ID存在硬编码问题。攻击者可通过该漏洞控制评论的用户名。
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-2021-33484
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III. Intelligence Information for CVE-2021-33484
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IV. Related Vulnerabilities
V. Comments for CVE-2021-33484

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