SB2018042520 - Multiple vulnerabilities in Apple iOS

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Main Vulnerability Database SB2018042520

SB2018042520 - Multiple vulnerabilities in Apple iOS

Published: April 25, 2018

Security Bulletin ID SB2018042520
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Privilege escalation (CVE-ID: CVE-2018-4206)

CWE-ID: CWE-119 - Memory corruption

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


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)

CWE-ID: CWE-20 - Improper input validation

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


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)

CWE-ID: CWE-119 - Memory corruption

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


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)

CWE-ID: CWE-119 - Memory corruption

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


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.

References