CVE-2021-30849 Information

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8 watchOS 8 Safari 15 tvOS 15 iOS 15 and iPadOS 15 iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212819 https://support.apple.com/en-us/HT212817 https://support.apple.com/en-us/HT212807 https://support.apple.com/en-us/HT212815 https://support.apple.com/en-us/HT212816 https://support.apple.com/en-us/HT212814 http://www.openwall.com/lists/oss-security/2021/10/26/9 http://www.openwall.com/lists/oss-security/2021/10/27/1 http://www.openwall.com/lists/oss-security/2021/10/27/2 http://seclists.org/fulldisclosure/2021/Oct/63 http://seclists.org/fulldisclosure/2021/Oct/62 http://seclists.org/fulldisclosure/2021/Oct/61 http://seclists.org/fulldisclosure/2021/Oct/60 http://www.openwall.com/lists/oss-security/2021/10/27/4 https://support.apple.com/kb/HT212953 https://support.apple.com/kb/HT212869

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8