CVE-2021-30836
Quick assessment
Affected
Apple iOS and iPadOS
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.
Apple iOS是美国苹果（Apple）公司的一套为移动设备所开发的操作系统。 Apple iOS 存在安全漏洞，该漏洞源于处理恶意制作的 Web 内容可能会导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2021-30836
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted 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
Apple iOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple iOS是美国苹果（Apple）公司的一套为移动设备所开发的操作系统。 Apple iOS 存在安全漏洞，该漏洞源于处理恶意制作的 Web 内容可能会导致任意代码执行。
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 |
|---|---|---|---|---|
| Apple | iOS and iPadOS | unspecified ~ 14.8 | - |
|
| Apple | iOS and iPadOS | unspecified ~ 15 | - |
|
| Apple | tvOS | unspecified ~ 15 | - |
|
| Apple | watchOS | unspecified ~ 8 | - |
|
II. Public POCs for CVE-2021-30836
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-30836 (6)
-
https://support.apple.com/en-us/HT212819 x_refsource_MISC
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https://support.apple.com/en-us/HT212815 x_refsource_MISC
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https://support.apple.com/kb/HT212816 x_refsource_CONFIRM
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https://support.apple.com/kb/HT212869 x_refsource_CONFIRM
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https://support.apple.com/en-us/HT212807 x_refsource_MISC
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https://support.apple.com/en-us/HT212814 x_refsource_MISC
Mailing List Discussions for CVE-2021-30836 (1)
Same Patch Batch · Apple · 2021-10-28 · 19 CVEs total
| CVE-2021-30814 | Apple tvOS 缓冲区错误漏洞 | |
| CVE-2021-30834 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-30833 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-30840 | Apple tvOS 安全漏洞 | |
| CVE-2021-30821 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-30824 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-30817 | macOS 安全漏洞 | |
| CVE-2021-30831 | Apple tvOS 缓冲区错误漏洞 | |
| CVE-2021-30823 | Apple macOS 处理逻辑错误漏洞 | |
| CVE-2020-10005 | Apple macOS Big Sur 资源管理错误漏洞 | |
| CVE-2021-30816 | Apple iOS 安全漏洞 | |
| CVE-2021-30818 | Apple tvOS 安全漏洞 | |
| CVE-2021-30808 | Apple 多款产品安全漏洞 | |
| CVE-2021-30809 | Apple tvOS 资源管理错误漏洞 | |
| CVE-2021-1821 | Apple watchOS 安全漏洞 | |
| CVE-2021-30813 | Apple macOS 权限许可和访问控制问题漏洞 | |
| CVE-2020-29629 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2020-9897 | Apple iOS and iPadOS and macOS Big Sur 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-30836
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