CVE-2021-1758
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 FontParser是美国Apple公司的一个字体解析的程序。 Apple FontParser存在安全漏洞，该漏洞源于macOS中处理FontParser组件内的字体文件时，由于边界条件而存在此漏洞。远程攻击者可以创建一个特制文件，诱骗受害者打开该文件，触发越界读取错误并读取系统上的内存内容。以下产品或版本存在漏洞：macOS 10.15、macOS 10.15 SU1、macOS 10.15.1、macOS 10.15.2、macOS 10.15.3、macOS 10.15.4、macOS
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-1758
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause 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 FontParser 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple FontParser是美国Apple公司的一个字体解析的程序。 Apple FontParser存在安全漏洞，该漏洞源于macOS中处理FontParser组件内的字体文件时，由于边界条件而存在此漏洞。远程攻击者可以创建一个特制文件，诱骗受害者打开该文件，触发越界读取错误并读取系统上的内存内容。以下产品或版本存在漏洞：macOS 10.15、macOS 10.15 SU1、macOS 10.15.1、macOS 10.15.2、macOS 10.15.3、macOS 10.15.4、macOS
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-2021-1758
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-1758
请登录查看更多情报信息。
Vendor Advisories for CVE-2021-1758 (4)
-
https://support.apple.com/en-us/HT212147 x_refsource_MISC
-
https://support.apple.com/en-us/HT212149 x_refsource_MISC
-
https://support.apple.com/en-us/HT212148 x_refsource_MISC
-
https://support.apple.com/en-us/HT212146 x_refsource_MISC
Same Patch Batch · Apple · 2021-04-02 · 130 CVEs total
| CVE-2020-29613 | Apple iOS 安全漏洞 | |
| CVE-2020-27937 | Apple Directory Utility 信息泄露漏洞 | |
| 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-2020-29623 | 苹果 Apple macOS 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 |
Showing top 20 of 130 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-1758
No comments yet