CVE-2021-30771
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I. Basic Information for CVE-2021-30771
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apple多款产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS等都是美国苹果（Apple）公司的产品。Apple macOS是一套专为Mac计算机所开发的专用操作系统。Apple macOS Big Sur是一个手机应用APP。WatchOs是一套使用于Apple Watch的手表操作系统。 Apple多款产品存在安全漏洞，该漏洞源于ibFontParser 库用TTF字体制作的数据可能会触发超出已分配数据结构末尾的写操作。攻击者可利用该漏洞在当前进程的上下文中执行代码。
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-2021-30771
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://support.apple.com/en-us/HT212528x_refsource_MISC
- https://support.apple.com/en-us/HT212529x_refsource_MISC
- https://support.apple.com/en-us/HT212532x_refsource_MISC
- https://support.apple.com/en-us/HT212533x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-30771
Same Patch Batch · Apple · 2022-03-18 · 74 CVEs total
| CVE-2022-22639 | Apple iOS和Apple iPadOS 安全漏洞 | |
| CVE-2022-22665 | Apple macOS Monterey 权限许可和访问控制问题漏洞 | |
| CVE-2022-22652 | Apple iOS和Apple iPadOS 访问控制错误漏洞 | |
| CVE-2022-22650 | Apple macOS Big Sur 访问控制错误漏洞 | |
| CVE-2022-22647 | Apple macOS Big Sur 授权问题漏洞 | |
| CVE-2022-22638 | Apple iOS和Apple iPadOS 代码问题漏洞 | |
| CVE-2022-22640 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2022-22641 | Apple iOS和Apple iPadOS资源管理错误漏洞 | |
| CVE-2022-22635 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2022-22633 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2022-22644 | Apple macOS Monterey 访问控制错误漏洞 | |
| CVE-2022-22636 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2022-22631 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2022-22632 | Apple iOS和Apple iPadOS权限许可和访问控制问题漏洞 | |
| CVE-2022-22634 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2022-22621 | Apple iOS和Apple iPadOS 信息泄露漏洞 | |
| CVE-2022-22626 | IBM Big SQL 缓冲区错误漏洞 | |
| CVE-2022-22627 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2022-22625 | Apple macOS Big Sur 缓冲区错误漏洞 | |
| CVE-2022-22622 | Apple iOS和Apple iPadOS 信息泄露漏洞 |
Showing top 20 of 74 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-30771
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