CVE-2021-30733
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 macOS是美国苹果（Apple）公司的一套专为Mac计算机所开发的专用操作系统。 macOS存在缓冲区错误漏洞，该漏洞的存在是由于CoreText的边界条件。远程攻击者可利用该漏洞可以创建一个特别制作的字体文件，诱骗受害者打开它，触发越界读取错误，读取进程内存的内容。该漏洞允许远程攻击者可利用该漏洞访问潜在的敏感信息。macOS: 10.15 19A583、10.15 19A602、10.15 19A603、10.15.1 19B88、10.15.2 19C57、10.15.3 19D76、
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2021-30733
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 tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. 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 macOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS是美国苹果（Apple）公司的一套专为Mac计算机所开发的专用操作系统。 macOS存在缓冲区错误漏洞，该漏洞的存在是由于CoreText的边界条件。远程攻击者可利用该漏洞可以创建一个特别制作的字体文件，诱骗受害者打开它，触发越界读取错误，读取进程内存的内容。该漏洞允许远程攻击者可利用该漏洞访问潜在的敏感信息。macOS: 10.15 19A583、10.15 19A602、10.15 19A603、10.15.1 19B88、10.15.2 19C57、10.15.3 19D76、
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-2021-30733
| # | 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-2021-30733 (6)
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https://support.apple.com/en-us/HT212528 x_refsource_MISC
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https://support.apple.com/en-us/HT212603 x_refsource_MISC
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https://support.apple.com/en-us/HT212529 x_refsource_MISC
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https://support.apple.com/en-us/HT212532 x_refsource_MISC
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https://support.apple.com/en-us/HT212533 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-2021-30733
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