SB2018042520 - Multiple vulnerabilities in Apple iOS
Published: April 25, 2018
Security Bulletin ID
SB2018042520
Severity
High
Patch available
YES
Number of vulnerabilities
4
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2018-4206)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists due to boundary error in the Crash Reporter componen. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges.
2) Spoofing attack (CVE-ID: CVE-2018-4187)
The vulnerability allows a remote attacker to conduct spoofing attack on the target system.The weakness exists due to input validation flaw in the LinkPresentation component. A remote user can send a specially crafted text message, spoof user interface elements and access arbitrary data.
3) Memory corruption (CVE-ID: CVE-2018-4200)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.
4) Memory corruption (CVE-ID: CVE-2018-4204)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.