CVE-2020-27920
Quick assessment
Affected
Apple watchOS
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.
libxml2是一款使用C语言编写的用于解析XML文档的函数库。 libxml2 存在安全漏洞，处理恶意制作的Web内容可能导致代码执行。以下产品和版本受到影响：macOS Mojave 10.14.6，macOS Catalina 10.15.7
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-27920
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to 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
libxml2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libxml2是一款使用C语言编写的用于解析XML文档的函数库。 libxml2 存在安全漏洞，处理恶意制作的Web内容可能导致代码执行。以下产品和版本受到影响：macOS Mojave 10.14.6，macOS Catalina 10.15.7
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-2020-27920
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2020-27920 (5)
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https://support.apple.com/en-us/HT211929 x_refsource_MISC
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https://support.apple.com/en-us/HT211930 x_refsource_MISC
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https://support.apple.com/en-us/HT212011 x_refsource_MISC
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https://support.apple.com/en-us/HT211928 x_refsource_MISC
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https://support.apple.com/en-us/HT211931 x_refsource_MISC
Same Patch Batch · Apple · 2021-04-02 · 130 CVEs total
| CVE-2020-29614 | Apple Model I/O 安全漏洞 | |
| CVE-2020-27939 | Apple macOS Big Sur 安全漏洞 | |
| CVE-2020-27941 | Apple macOS 安全漏洞 | |
| CVE-2020-27943 | Apple FontParser 缓冲区错误漏洞 | |
| CVE-2020-27938 | Apple Power Management 安全漏洞 | |
| CVE-2020-27945 | Apple CFNetwork Cache 输入验证错误漏洞 | |
| CVE-2020-27944 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2020-27947 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2020-27946 | Apple FontParser 信息泄露漏洞 | |
| CVE-2020-27951 | Apple iOS 安全漏洞 | |
| CVE-2020-27952 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2020-27948 | Apple CoreAudio 缓冲区错误漏洞 | |
| CVE-2020-29612 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2020-27949 | Apple Kernel 安全漏洞 | |
| CVE-2020-29610 | Apple macOS 缓冲区错误漏洞 | |
| CVE-2020-29608 | Apple FontParser 缓冲区错误漏洞 | |
| CVE-2020-29613 | Apple iOS 安全漏洞 | |
| CVE-2020-29639 | Apple iOS和Apple iPadOS 缓冲区错误漏洞 | |
| CVE-2020-29625 | Apple macOS Big Sur 安全漏洞 | |
| CVE-2020-29624 | Apple 多款产品缓冲区错误漏洞 |
Showing top 20 of 130 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-27920
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