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CVE-2021-30807

Quick assessment

Affected
Apple macOS
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.

Apple iPadOS是美国苹果（Apple）公司的一套用于iPad平板电脑的操作系统。 Apple iPadOS存在缓冲区错误漏洞，该漏洞可能允许应用程序以内核权限执行任意代码。受影响的产品及版本如下:Apple iPadOS11.5.1 、iOS 14.7.1 、iPadOS 14.7.1。

AI Predicted 9.8 Difficulty: Hard KEV EPSS 28.84% · P98

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-30807

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
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
Apple iPadOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple iPadOS是美国苹果（Apple）公司的一套用于iPad平板电脑的操作系统。 Apple iPadOS存在缓冲区错误漏洞，该漏洞可能允许应用程序以内核权限执行任意代码。受影响的产品及版本如下:Apple iPadOS11.5.1 、iOS 14.7.1 、iPadOS 14.7.1。
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
Apple macOS unspecified ~ 11.5 -
Apple macOS unspecified ~ 14.7 -
Apple macOS unspecified ~ 7.6 -

II. Public POCs for CVE-2021-30807

# POC Description Source Link Shenlong Link
1 Exploit for CVE-2021-30807 https://github.com/jsherman212/iomfb-exploit POC Details
2 Gex is an iOS 14.7 jailbreak using CVE-2021-30807 IOMFB & CVE-2021-30860 exploit(s) https://github.com/30440r/gex POC Details
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No public POC found.

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III. Intelligence Information for CVE-2021-30807

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Vendor Advisories for CVE-2021-30807 (3)

Same Patch Batch · Apple · 2021-10-19 · 27 CVEs total

CVE-2021-30837 Apple iPadOS 缓冲区错误漏洞
CVE-2021-30849 Apple Safari 缓冲区错误漏洞
CVE-2021-30850 Apple TV app 安全漏洞
CVE-2021-30848 Apple macOS Catalina 缓冲区错误漏洞
CVE-2021-30846 多款 Apple 产品缓冲区错误漏洞
CVE-2021-30847 Apple iTunes 缓冲区错误漏洞
CVE-2021-30843 Apple tvOS 缓冲区错误漏洞
CVE-2021-30845 Apple macOS Big Sur 缓冲区错误漏洞
CVE-2021-30844 Apple macOS Catalina安全漏洞
CVE-2021-30841 Apple tvOS 缓冲区错误漏洞
CVE-2021-30838 Apple iOS和Apple iPadOS 缓冲区错误漏洞
CVE-2021-30842 Apple TV app 缓冲区错误漏洞
CVE-2021-30835 Apple iTunes 缓冲区错误漏洞
CVE-2020-29622 Apple macOS Catalina竞争条件问题漏洞
CVE-2021-30832 Apple macOS Big Sur缓冲区错误漏洞
CVE-2021-30830 Apple macOS Big Sur 缓冲区错误漏洞
CVE-2021-30828 Apple macOS Big Sur安全漏洞
CVE-2021-30829 Apple macOS Big Sur 安全漏洞
CVE-2021-30827 Apple macOS Big Sur 安全漏洞
CVE-2021-30826 Apple iOS和Apple iPadOS 缓冲区错误漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: macOS
Same vendor: Apple

V. Comments for CVE-2021-30807

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