macOS : Apple Safari < 11.1.1 Multiple Vulnerabilities

high Nessus Plugin ID 126381
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.

Description

The version of Apple Safari installed on the remote macOS or Mac OS X host is prior to 11.1.1 It is, therefore, affected by multiple vulnerabilities.

- A remote code execution vulnerability exists in WebKit due to improper memory handling.
An unauthenticated, remote attacker can exploit this, via a specifically crafted web page to to execute arbitrary code or cause a denial of service (CVE-2018-4199, CVE-2018-4201, CVE-2018-4218, CVE-2018-4233).

- An information disclosure vulnerability exists in WebKit. An unauthenticated, remote attacker can exploit this, via a specifically crafted web page, to disclose potentially sensitive information (CVE-2018-4190).

- An out-of-bounds read error exists in WebKit due to improper input validation.
An unauthenticated, remote attacker can exploit this, via a specifically crafted web page that leverages a getWasmBufferFromValue during WebAssembly compilation to execute arbitrary code (CVE-2018-4222).

Solution

Upgrade to Apple Safari version 11.1.1 or later.

See Also

https://support.apple.com/en-us/HT208854

Plugin Details

Severity: High

ID: 126381

File Name: macosx_Safari11_1_1.nasl

Version: 1.3

Type: local

Agent: macosx

Published: 7/2/2019

Updated: 7/5/2019

Dependencies: macosx_apple_safari_installed.nbin

Risk Information

CVSS Score Source: CVE-2018-4199

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:F/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:apple:safari, cpe:/o:apple:mac_os_x

Required KB Items: Host/local_checks_enabled, Host/MacOSX/Version, MacOSX/Safari/Installed

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/1/2018

Vulnerability Publication Date: 6/1/2018

Exploitable With

Metasploit (Safari Proxy Object Type Confusion)

Reference Information

CVE: CVE-2018-4188, CVE-2018-4190, CVE-2018-4192, CVE-2018-4199, CVE-2018-4201, CVE-2018-4205, CVE-2018-4214, CVE-2018-4218, CVE-2018-4222, CVE-2018-4232, CVE-2018-4233, CVE-2018-4246, CVE-2018-4247, CVE-2018-4277

BID: 104358, 104366