PT-2021-18860 · Apple · Apple Macos

Gary Nield + 2 · Published 2021-07-21 · Updated 2021-09-17 · CVE-2021-30777

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 macOS versions prior to Big Sur 11.5 Security Update versions prior to 2021-004 Catalina Security Update versions prior to 2021-005 Mojave

Description An injection issue was addressed with improved validation, which may allow a malicious application to gain root privileges.

Recommendations For macOS versions prior to Big Sur 11.5, update to macOS Big Sur 11.5. For Security Update versions prior to 2021-004 Catalina, apply Security Update 2021-004 Catalina. For Security Update versions prior to 2021-005 Mojave, apply Security Update 2021-005 Mojave.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2021-30777

Affected Products

Apple Macos

References · 8

• https://support.apple.com/en-us/HT212603 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30777 · Vendor Advisory
• https://support.apple.com/en-us/HT212600 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30777 · Security Note
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30777 · Note
• https://t.me/cvenotify/21106 · Telegram Post
• https://support.apple.com/en-us/102849 · Note