SB2022062736 - Authentication bypass in Apple Game Center



SB2022062736 - Authentication bypass in Apple Game Center

Published: June 27, 2022

Security Bulletin ID SB2022062736
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Certificate Validation (CVE-ID: CVE-2022-31083)

CWE-ID: CWE-295 - Improper Certificate Validation

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


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing certificate validation in Apple Game Center auth adapter. A remote attacker can issue a fake certificate accessible via certain Apple domains, provide the URL to that certificate in an authData object and bypass authentication.


Remediation

Install update from vendor's website.