CVE-2021-30831
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 tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple tvOS存在安全漏洞，该漏洞源于通过改进输入验证解决了越界读取问题。此问题已在 tvOS 15、watchOS 8、iOS 15 和 iPadOS 15 中修复。处理恶意制作的字体可能会导致进程内存泄露。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-30831
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
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 tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process 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 tvOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple tvOS存在安全漏洞，该漏洞源于通过改进输入验证解决了越界读取问题。此问题已在 tvOS 15、watchOS 8、iOS 15 和 iPadOS 15 中修复。处理恶意制作的字体可能会导致进程内存泄露。
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-2021-30831
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-30831
请登录查看更多情报信息。
Vendor Advisories for CVE-2021-30831 (4)
-
https://support.apple.com/en-us/HT212819 x_refsource_MISC
-
https://support.apple.com/en-us/HT212815 x_refsource_MISC
-
https://support.apple.com/kb/HT212869 x_refsource_CONFIRM
-
https://support.apple.com/en-us/HT212814 x_refsource_MISC
Same Patch Batch · Apple · 2021-10-28 · 19 CVEs total
| CVE-2021-30814 | Apple tvOS 缓冲区错误漏洞 | |
| CVE-2021-30836 | Apple iOS 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-2021-30823 | 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-2021-30831
No comments yet