CVE-2021-46702
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tor Browser是一款用于匿名访问互联网的浏览器。 Tor Browser 存在安全漏洞，该漏洞可以让本地攻击者可利用该漏洞绕过预期的匿名特性，并获得有关本地用户访问的洋葱服务的信息。这可以通过在本地用户使用产品几个小时后分析RAM内存来完成。这是因为产品没有正确释放内存。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2021-46702
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure. This could allow local attackers to bypass the intended anonymity feature and obtain information regarding the onion services visited by a local user. This can be accomplished by analyzing RAM memory even several hours after the local user used the product. This occurs because the product doesn't properly free memory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Tor Browser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tor Browser是一款用于匿名访问互联网的浏览器。 Tor Browser 存在安全漏洞，该漏洞可以让本地攻击者可利用该漏洞绕过预期的匿名特性，并获得有关本地用户访问的洋葱服务的信息。这可以通过在本地用户使用产品几个小时后分析RAM内存来完成。这是因为产品没有正确释放内存。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-46702
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure. This could allow local attackers to bypass the intended anonymity feature and obtain information regarding the onion services visited by a local user. This can be accomplished by analyzing RAM memory even several hours after the local user used the product. This occurs because the product doesn't properly free memory. | https://github.com/malakkf/CVE-2021-46702 | POC Details |
| 2 | Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure. This could allow local attackers to bypass the intended anonymity feature and obtain information regarding the onion services visited by a local user. This can be accomplished by analyzing RAM memory even several hours after the local user used the product. This occurs because the product doesn't properly free memory. | https://github.com/Exmak-s/CVE-2021-46702 | POC Details |
AI-Generated POC
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Same Patch Batch · n/a · 2022-02-26 · 9 CVEs total
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| CVE-2022-24986 | KDE KCron 权限许可和访问控制问题漏洞 | |
| CVE-2020-36516 | Linux kernel 加密问题漏洞 | |
| CVE-2022-23308 | libxml2 资源管理错误漏洞 | |
| CVE-2022-26149 | MODX Revolution 代码问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46702
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