SB2018042501 - Multiple vulnerabilities in Apple macOS Sierra



SB2018042501 - Multiple vulnerabilities in Apple macOS Sierra

Published: April 25, 2018 Updated: May 8, 2018

Security Bulletin ID SB2018042501
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) 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.

2) 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.

3) Privilege escalation (CVE-ID: CVE-2018-8897)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper implementation of Intel 64 and IA-32 Architectures Software Developer's Manual (SDM) on multiple system kernels, which results in an unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS. A local user can execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.