PT-2021-18863 · Apple · Catalina+6

Tim Michaud + 1 · Published 2021-07-21 · Updated 2021-09-17 · CVE-2021-30780

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.7 macOS Big Sur versions prior to 11.5 watchOS versions prior to 7.6 tvOS versions prior to 14.7 Security Update versions prior to 2021-005 for Mojave Security Update versions prior to 2021-004 for Catalina

Description An out-of-bounds write issue was addressed with improved bounds checking. A malicious application may be able to gain root privileges.

Recommendations For iOS versions prior to 14.7, update to iOS 14.7 or later. For macOS Big Sur versions prior to 11.5, update to macOS Big Sur 11.5 or later. For watchOS versions prior to 7.6, update to watchOS 7.6 or later. For tvOS versions prior to 14.7, update to tvOS 14.7 or later. For Mojave, apply Security Update 2021-005 or later. For Catalina, apply Security Update 2021-004 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30780

Affected Products

Catalina

Apple Macos

Mojave

Ios

Macos Big Sur

Tvos

Watchos

References · 11

• https://support.apple.com/en-us/HT212603 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30780 · Security Note
• https://support.apple.com/en-us/HT212601 · Vendor Advisory
• https://support.apple.com/en-us/HT212605 · Vendor Advisory
• https://support.apple.com/en-us/HT212600 · Vendor Advisory
• https://support.apple.com/en-us/HT212604 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30780 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30780 · Note
• https://t.me/cvenotify/21101 · Telegram Post
• https://support.apple.com/en-us/102849 · Note