SB2020022734 - Out-of-bounds read in Apple watchOS



SB2020022734 - Out-of-bounds read in Apple watchOS

Published: February 27, 2020 Updated: August 8, 2020

Security Bulletin ID SB2020022734
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-3877)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.


Remediation

Install update from vendor's website.