PT-2021-13548 · Apple · Macos Mojave+7

Pan Zhenpeng + 2 · Published 2021-02-01 · Updated 2021-06-28 · CVE-2021-1757

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: macOS Big Sur versions prior to 11.2 Security Update 2021-001 Catalina Security Update 2021-001 Mojave watchOS versions prior to 7.3 tvOS versions prior to 14.4 iOS versions prior to 14.4 iPadOS versions prior to 14.4

Description: An out-of-bounds read issue was addressed with improved bounds checking, which may allow a local attacker to elevate their privileges.

Recommendations: For macOS Big Sur, update to version 11.2 or later. For macOS Catalina, apply Security Update 2021-001. For macOS Mojave, apply Security Update 2021-001. For watchOS, update to version 7.3 or later. For tvOS, update to version 14.4 or later. For iOS, update to version 14.4 or later. For iPadOS, update to version 14.4 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1757

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Mojave

Tvos

Watchos

References · 11

• https://osv.dev/vulnerability/CVE-2021-1757 · Vendor Advisory
• https://support.apple.com/en-us/HT212148 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1757 · Security Note
• https://support.apple.com/en-us/HT212147 · Vendor Advisory
• https://support.apple.com/en-us/HT212149 · Vendor Advisory
• https://support.apple.com/en-us/HT212146 · Vendor Advisory
• https://github.com/b1n4r1b01/n-days · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1757 · Note
• https://t.me/cvenotify/12962 · Telegram Post
• https://support.apple.com/en-us/103124 · Note
• https://t.me/cybersecuritytechnologies/3709 · Telegram Post