CVE-2021-1878 Information

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3 Security Update 2021-002 Catalina Security Update 2021-003 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://support.apple.com/en-us/HT212327 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5