Detections
Analytics
macOS 10.13 Authentication Bypass Remote Check (CVE-2017-13872)
high Nessus Plugin ID 105003
Language:
Synopsis
The remote host is affected by an authentication bypass vulnerability.Description
The remote host is affected by an authentication bypass vulnerability.A local attacker or a remote attacker with credentials for a standard user account has the ability to blank out the root account password.
This can allow an authenticated attacker to escalate privileges to root and execute commands and read files as a system administrator.
A remote attacker without credentials can set passwords on certain disabled accounts.
Note that if this plugin is successful, Nessus has set the password on the 'nobody' account to 'nessus', and you will need to reset this password/re-disable this account to clean up.
Solution
Apply Apple Security Update 2017-001.See Also
https://support.apple.com/en-us/HT208315
http://www.nessus.org/u?2cf4b55a
http://www.nessus.org/u?9ff9ff45
http://www.nessus.org/u?1e5890f3
Plugin Details
Severity: High
ID: 105003
File Name: macos_10_13_auth_bypass_remote_check.nasl
Version: 1.9
Type: remote
Family: Misc.
Published: 12/4/2017
Updated: 11/12/2019
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 7.7
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2017-13872
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:apple:macos, cpe:/o:apple:mac_os_x
Excluded KB Items: global_settings/supplied_logins_only
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/29/2017
Vulnerability Publication Date: 11/28/2017
Exploitable With
Metasploit (Mac OS X Root Privilege Escalation)
Reference Information
CVE: CVE-2017-13872
BID: 101981