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I. Basic Information for CVE-2021-27247
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Tencent WeChat 2.9.5 desktop version. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the WXAM decoder. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-11907.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tencent WeChat 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tencent WeChat(微信)是中国腾讯(Tencent)公司的一款在线社交应用程序。该程序支持发送语音短信、视频、图片和文字等。 Tencent WeChat 2.9.5 desktop version 存在安全漏洞,该漏洞允许远程攻击者泄露敏感信息。攻击者可利用该漏洞,再结合其他漏洞,在当前进程的上下文中执行任意代码。
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
TencentWeChat 2.9.5 desktop version -
II. Public POCs for CVE-2021-27247
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III. Intelligence Information for CVE-2021-27247
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