macOS : Apple Safari <= 11.0.2 (11604.4.7.1.6 / 12604.4.7.1.6 / 13604.4.7.10.6) Information Disclosure (Spectre)

Medium Nessus Plugin ID 105689

Synopsis

A web browser installed on the remote macOS or Mac OS X host is affected by an information disclosure vulnerability.

Description

The version of Apple Safari installed on the remote macOS or Mac OS X host is prior to 11.0.2, or is 11.0.2 and missing the January 8th patch.
It is, therefore, affected by a vulnerability that exists within microprocessors utilizing speculative execution and indirect branch prediction, which may allow an attacker with local user access to disclose information via a side-channel analysis.

Solution

Upgrade to Apple Safari version 11.0.2 and apply the vendor patch.

See Also

https://support.apple.com/en-us/HT208397

https://support.apple.com/en-us/HT208403

Plugin Details

Severity: Medium

ID: 105689

File Name: macosx_Safari11_0_2_patch_2018_01_08.nasl

Version: 1.7

Type: local

Agent: macosx

Published: 2018/01/09

Modified: 2018/07/16

Dependencies: 31604

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSSv3

Base Score: 6.2

Temporal Score: 5.9

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:apple:safari

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/01/08

Vulnerability Publication Date: 2018/01/03

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753

BID: 102371, 102376

IAVA: 2018-A-0020