SB2019071501 - Denial of service in Apple iMessage
Published: July 15, 2019
Security Bulletin ID
SB2019071501
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2019-8664)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an issue with a "IMBalloonPluginDataSource individualPreviewSummary" method in IMCore, which can throw an NSException. A remote attacker can send a specially crafted IMessage to cause a denial of service condition.
Remediation
Install update from vendor's website.