PT-2021-13639 · Apple · Apple Macos+1

Aleksandar Nikolic · Published 2021-04-26 · Updated 2021-09-20 · CVE-2021-1878

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: macOS versions prior to 11.3 Security Update versions prior to 2021-002 Catalina Security Update versions prior to 2021-003 Mojave

Description: An integer overflow issue was addressed through improved input validation. This could allow an attacker in a privileged network position to leak sensitive user information.

Recommendations: For macOS versions prior to 11.3, update to macOS Big Sur 11.3 or later. For Security Update versions prior to 2021-002 Catalina, apply Security Update 2021-002 Catalina or later. For Security Update versions prior to 2021-003 Mojave, apply Security Update 2021-003 Mojave or later.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2021-1878

Affected Products

Apple Macos

Security Update

References · 7

• https://osv.dev/vulnerability/CVE-2021-1878 · Vendor Advisory
• https://support.apple.com/en-us/HT212326 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1878 · Security Note
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://support.apple.com/en-us/HT212327 · Vendor Advisory
• https://support.apple.com/en-us/103126 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1878 · Note