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Vulnerability Details : CVE-2017-13872

An issue was discovered in certain Apple products. macOS High Sierra before Security Update 2017-001 is affected. The issue involves the "Directory Utility" component. It allows attackers to obtain administrator access without a password via certain interactions involving entry of the root user name.
Publish Date : 2017-11-29 Last Update Date : 2017-12-29
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Products Affected By CVE-2017-13872

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Mac Os X 10.13.0 Version Details Vulnerabilities
2 OS Apple Mac Os X 10.13.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mac Os X 2

- References For CVE-2017-13872

https://objective-see.com/blog/blog_0x24.html
https://www.wired.com/story/macos-update-undoes-apple-root-bug-patch/
https://www.exploit-db.com/exploits/43248/
EXPLOIT-DB 43248
https://support.apple.com/HT208315
https://www.exploit-db.com/exploits/43201/
EXPLOIT-DB 43201
https://support.apple.com/HT208331 CONFIRM
https://github.com/rapid7/metasploit-framework/pull/9302
http://www.securitytracker.com/id/1039875
SECTRACK 1039875
http://www.securityfocus.com/bid/101981
BID 101981 Apple macOS CVE-2017-13872 Authentication Bypass Vulnerability Release Date:2017-12-08
https://arstechnica.com/information-technology/2017/11/macos-bug-lets-you-log-in-as-admin-with-no-password-required/

- Metasploit Modules Related To CVE-2017-13872

Mac OS X Root Privilege Escalation
This module exploits a serious flaw in MacOSX High Sierra. Any user can login with user "root", leaving an empty password.
Module type : exploit Rank : excellent Platforms : OSX
Apple Remote Desktop Root Vulnerability
Enable and set root account to a chosen password on unpatched macOS High Sierra hosts with either Screen Sharing or Remote Management enabled.
Module type : auxiliary Rank : normal


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