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CVE-2021-21198

Quick assessment

Affected
Google Chrome
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.

Google Chrome是美国谷歌（Google）公司的一款Web浏览器。 Google Chrome 89.0.4389.114之前版本存在缓冲区错误漏洞，该漏洞源于Chrome浏览器IPC的越位读取，该漏洞允许远程攻击者破坏渲染进程，通过精心制作的HTML页面执行沙盒逃脱。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.79% · P78

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2021-21198

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
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
谷歌 Google Chrome 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Chrome是美国谷歌（Google）公司的一款Web浏览器。 Google Chrome 89.0.4389.114之前版本存在缓冲区错误漏洞，该漏洞源于Chrome浏览器IPC的越位读取，该漏洞允许远程攻击者破坏渲染进程，通过精心制作的HTML页面执行沙盒逃脱。
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
Google Chrome unspecified ~ 89.0.4389.114 -

II. Public POCs for CVE-2021-21198

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-21198

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Vendor Advisories for CVE-2021-21198 (2)

Exploits & Public PoCs for CVE-2021-21198 (1)

Mailing List Discussions for CVE-2021-21198 (3)

Other References for CVE-2021-21198 (1)

Same Patch Batch · Google · 2021-04-09 · 6 CVEs total

CVE-2021-21194 Google Chrome 资源管理错误漏洞
CVE-2021-21195 Google Chrome 资源管理错误漏洞
CVE-2021-21196 Google Chrome 缓冲区错误漏洞
CVE-2021-21197 Google Chrome 缓冲区错误漏洞
CVE-2021-21199 谷歌 Google Chrome 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: Chrome
Same vendor: Google

V. Comments for CVE-2021-21198

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