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CVE-2021-30632

Quick assessment

Affected
Google Chrome
Exploitation
Confirmed exploitation in the wild; remediate immediately
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。V8是其中的一套开源JavaScript引擎。 Google Chrome 93.0.4577.82之前版本存在缓冲区错误漏洞，该漏洞源于存在越界写入问题。攻击者利用该漏洞通过特制的 HTML 页面导致堆损坏。

AI Predicted 8.8 Difficulty: Easy KEV EPSS 64.55% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-30632

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption 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
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。V8是其中的一套开源JavaScript引擎。 Google Chrome 93.0.4577.82之前版本存在缓冲区错误漏洞，该漏洞源于存在越界写入问题。攻击者利用该漏洞通过特制的 HTML 页面导致堆损坏。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Chrome unspecified ~ 93.0.4577.82 -

II. Public POCs for CVE-2021-30632

# POC Description Source Link Shenlong Link
1 PoC CVE-2021-30632 - Out of bounds write in V8 https://github.com/Phuong39/PoC-CVE-2021-30632 POC Details
2 None https://github.com/CrackerCat/CVE-2021-30632 POC Details
3 None https://github.com/maldev866/ChExp_CVE-2021-30632 POC Details
4 m-y-mo: https://github.com/github/securitylab/tree/main/SecurityExploits/Chrome/v8/CVE-2021-30632 https://github.com/paulsery/CVE-2021-30632 POC Details
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III. Intelligence Information for CVE-2021-30632

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Vendor Advisories for CVE-2021-30632 (1)

Exploits & Public PoCs for CVE-2021-30632 (1)

Mailing List Discussions for CVE-2021-30632 (1)

Other References for CVE-2021-30632 (1)

Same Patch Batch · Google · 2021-10-08 · 28 CVEs total

CVE-2021-37962 Google Chrome 资源管理错误漏洞
CVE-2021-37975 Google Chrome 资源管理错误漏洞
CVE-2021-30625 Google Chrome 资源管理错误漏洞
CVE-2021-30626 Google Chrome 缓冲区错误漏洞
CVE-2021-30627 Google chrome 安全漏洞
CVE-2021-30628 Google Chrome 缓冲区错误漏洞
CVE-2021-30629 Google Chrome 资源管理错误漏洞
CVE-2021-30630 Google Chrome 访问控制错误漏洞
CVE-2021-30633 Google Chrome 资源管理错误漏洞
CVE-2021-37956 Google Chrome 资源管理错误漏洞
CVE-2021-37957 Google Chrome 资源管理错误漏洞
CVE-2021-37958 Google Chrome 安全特征问题漏洞
CVE-2021-37959 Google Chrome 资源管理错误漏洞
CVE-2021-37961 Google Chrome 资源管理错误漏洞
CVE-2021-37976 Google Chrome 信息泄露漏洞
CVE-2021-37963 Google Chrome 加密问题漏洞
CVE-2021-37964 Google Chrome 安全特征问题漏洞
CVE-2021-37965 Google Chrome 安全漏洞
CVE-2021-37966 Google Chrome 访问控制错误漏洞
CVE-2021-37967 Google Chrome 访问控制错误漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Chrome
Same vendor: Google

V. Comments for CVE-2021-30632

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