Executive Summary

Informations
Name CVE-2021-30842 First vendor Publication 2021-10-19
Vendor Cve Last vendor Modification 2021-11-05

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30842

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Application 1
Application 1
Os 1
Os 168
Os 176
Os 21
Os 49
Os 11

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2021/Oct/61
http://seclists.org/fulldisclosure/2021/Oct/62
http://seclists.org/fulldisclosure/2021/Oct/63
MISC https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212807
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212819

Alert History

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Date Informations
2021-12-02 01:46:42
  • Multiple Updates
2021-11-06 00:23:02
  • Multiple Updates
2021-10-28 00:23:01
  • Multiple Updates
2021-10-25 17:23:00
  • Multiple Updates
2021-10-19 21:22:56
  • First insertion