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CVE-2021-35005

Quick assessment

Affected
TeamViewer TeamViewer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Teamviewer是德国Teamviewer公司的一套用于远程控制、桌面共享和文件传输的软件。 Teamviewer 存在缓冲区错误漏洞，该漏洞源于软件缺乏对用户提供的数据进行适当的验证，这可能导致数据读取超出已分配数组的末尾。攻击者可以利用该漏洞与其他漏洞一起在SYSTEM上下文中执行任意代码。

AI Predicted 7.8 Difficulty: Hard EPSS 0.89% · P58
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I. Basic Information for CVE-2021-35005

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the TeamViewer service. 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 array. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-13818.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数组索引的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Teamviewer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Teamviewer是德国Teamviewer公司的一套用于远程控制、桌面共享和文件传输的软件。 Teamviewer 存在缓冲区错误漏洞，该漏洞源于软件缺乏对用户提供的数据进行适当的验证，这可能导致数据读取超出已分配数组的末尾。攻击者可以利用该漏洞与其他漏洞一起在SYSTEM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

Vendor Product Affected Versions CPE Subscribe
TeamViewer TeamViewer 15.18.5.0 -

II. Public POCs for CVE-2021-35005

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III. Intelligence Information for CVE-2021-35005

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Other References for CVE-2021-35005 (1)

IV. Related Vulnerabilities

Same product: TeamViewer
Same vendor: TeamViewer
Same weakness: CWE-129

V. Comments for CVE-2021-35005

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