SB2021091321 - Remote code execution in Apple watchOS

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Main Vulnerability Database SB2021091321

SB2021091321 - Remote code execution in Apple watchOS

Published: September 13, 2021 Updated: December 26, 2021

Security Bulletin ID SB2021091321
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Integer overflow (CVE-ID: CVE-2021-30860)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when processing PDF files within the CoreGraphics component. A remote attacker can trick the victim to open a specially crafted PDF file, trigger integer overflow and execute arbitrary code on the target system.

Note, the vulnerability is being active exploited in-the-wild via the FORCEDENTRY tool against Bahraini activists.


Remediation

Install update from vendor's website.

References