CVE-2021-30748
Quick assessment
Affected
Apple iOS
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 macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。 Apple macOS Big Sur 11.5存在缓冲区错误漏洞，该漏洞源于AVEVideoEncoder子系统中的边界错误。本地攻击者可以运行一个专门设计的程序来触发内存损坏，并执行任意代码。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-30748
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 state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.
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 macOS Big Sur 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。 Apple macOS Big Sur 11.5存在缓冲区错误漏洞，该漏洞源于AVEVideoEncoder子系统中的边界错误。本地攻击者可以运行一个专门设计的程序来触发内存损坏，并执行任意代码。
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
II. Public POCs for CVE-2021-30748
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2021-30748 (3)
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https://support.apple.com/en-us/HT212601 x_refsource_MISC
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https://support.apple.com/en-us/HT212602 x_refsource_MISC
Same Patch Batch · Apple · 2021-09-08 · 214 CVEs total
| CVE-2021-1849 | Apple watchOS 数据伪造问题漏洞 | |
| CVE-2021-1831 | Apple Shortcuts 安全漏洞 | |
| CVE-2021-1835 | Apple iPadOS 权限许可和访问控制问题漏洞 | |
| CVE-2021-1833 | Apple iOS和Apple iPadOS 安全漏洞 | |
| CVE-2021-1843 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-1840 | Apple macOS 输入验证错误漏洞 | |
| CVE-2021-1838 | Apple macOS 安全漏洞 | |
| CVE-2021-1837 | Apple iOS 信任管理问题漏洞 | |
| CVE-2021-1839 | Apple macOS 权限许可和访问控制问题漏洞 | |
| CVE-2021-1846 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-1832 | Apple watchOS 安全漏洞 | |
| CVE-2021-1841 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-1851 | Apple watchOS 缓冲区错误漏洞 | |
| CVE-2021-1847 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2021-1862 | Apple iOS和Apple iPadOS 授权问题漏洞 | |
| CVE-2021-1855 | Apple Safari 资源管理错误漏洞 | |
| CVE-2021-1859 | Apple macOS 权限许可和访问控制问题漏洞 | |
| CVE-2021-1860 | Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2021-1854 | Apple iOS 安全漏洞 | |
| CVE-2021-1861 | Apple macOS 安全漏洞 |
Showing top 20 of 214 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-30748
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