PT-2021-18961 · Apple · Ios+3

Mickey Jin + 1 · Published 2021-08-24 · Updated 2023-01-09 · CVE-2021-30910

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Apple iOS versions prior to 15.1 Apple iPadOS versions prior to 15.1 Apple macOS versions prior to 12.0.1 Apple tvOS versions prior to 15.1 Apple macOS Catalina versions prior to Security Update 2021-007 Apple macOS Big Sur versions prior to 11.6.1

Description An out-of-bounds read issue was addressed with improved bounds checking. Processing a maliciously crafted file may disclose user information.

Recommendations For iOS versions prior to 15.1, update to iOS 15.1 or later. For iPadOS versions prior to 15.1, update to iPadOS 15.1 or later. For macOS versions prior to 12.0.1, update to macOS Monterey 12.0.1 or later. For tvOS versions prior to 15.1, update to tvOS 15.1 or later. For macOS Catalina versions prior to Security Update 2021-007, apply Security Update 2021-007 or later. For macOS Big Sur versions prior to 11.6.1, update to macOS Big Sur 11.6.1 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-30910

ZDI-21-1369

Affected Products

Apple Macos

Ios

Ipados

Tvos

References · 11

• https://zerodayinitiative.com/advisories/ZDI-21-1369 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-30910 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30910 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30910 · Note
• https://support.apple.com/en-us/HT212869 · Note
• https://support.apple.com/en-us/103236 · Note
• https://support.apple.com/en-us/103164 · Note
• https://support.apple.com/en-us/HT212872 · Note
• https://support.apple.com/en-us/HT212867 · Note
• https://support.apple.com/en-us/HT212871 · Note
• https://support.apple.com/en-us/HT212876 · Note