SB2019020802 - Multiple vulnerabilities in Apple macOS
Published: February 8, 2019 Updated: February 11, 2019
Security Bulletin ID
SB2019020802
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2019-7286)
The vulnerability allows a local attacker to gain elevated privileges.The weakness exists due to a boundary error in the Foundation component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges.
Note: according to Ben Hawkes, team leader at Project Zero, the vulnerability has been exploited in the wild as 0day.
2) Security restrictions bypass (CVE-ID: CVE-2019-7288)
The vulnerability allows a remote attacker to bypass security restrictions.The weakness exists due to improper validation on the FaceTime server. A remote attacker can cause an error in Live Photos in FaceTime and bypass security restrictions.
3) Security restrictions bypass (CVE-ID: CVE-2019-6223)
The vulnerability allows a remote attacker to bypass security restrictions.The weakness exists due to a logic issue in the handling of Group FaceTime calls. A remote attacker who is the initiator of a Group FaceTime call can cause the recipient to answer.
Remediation
Install update from vendor's website.