CVE-2021-30737
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。 tvOS 存在缓冲区错误漏洞，该漏洞源于处理TLS证书时ASN.1解码器的边界错误。远程攻击者利用该漏洞可以欺骗受害者访问专门设计的网站，用专门设计的TLS证书触发内存损坏，并在系统上执行任意代码。受影响的产品及版本:tvOS: 14.0 18J386、14.0.1 18J400、14.0.2 18J411、14.2 18K57、14.3 18K561、14.4 18K802、14.5 18L204
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-30737
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.
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。 tvOS 存在缓冲区错误漏洞，该漏洞源于处理TLS证书时ASN.1解码器的边界错误。远程攻击者利用该漏洞可以欺骗受害者访问专门设计的网站，用专门设计的TLS证书触发内存损坏，并在系统上执行任意代码。受影响的产品及版本:tvOS: 14.0 18J386、14.0.1 18J400、14.0.2 18J411、14.2 18K57、14.3 18K561、14.4 18K802、14.5 18L204
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-2021-30737
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-30737 (7)
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https://support.apple.com/en-us/HT212528 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/HT212530 x_refsource_MISC
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https://support.apple.com/en-us/HT212548 x_refsource_MISC
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https://support.apple.com/en-us/HT212533 x_refsource_MISC
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https://support.apple.com/en-us/HT212531 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-2021-30737
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