CVE-2017-13872

HIGH
New! CVE Severity Now Using CVSS v3

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

Description

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.

References

http://www.securityfocus.com/bid/101981

http://www.securitytracker.com/id/1039875

https://arstechnica.com/information-technology/2017/11/macos-bug-lets-you-log-in-as-admin-with-no-password-required/

https://github.com/rapid7/metasploit-framework/pull/9302

https://objective-see.com/blog/blog_0x24.html

https://support.apple.com/HT208315

https://support.apple.com/HT208331

https://www.exploit-db.com/exploits/43201/

https://www.exploit-db.com/exploits/43248/

https://www.wired.com/story/macos-update-undoes-apple-root-bug-patch/

Details

Source: MITRE

Published: 2017-11-29

Updated: 2017-12-30

Type: CWE-287

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 8.1

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

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
700513macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)Nessus Network MonitorOperating System Detection
critical
105081macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-002 and 2017-005)NessusMacOS X Local Security Checks
high
105080macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)NessusMacOS X Local Security Checks
high
105003macOS 10.13 Authentication Bypass Remote Check (CVE-2017-13872)NessusMisc.
high
104848macOS 10.13 root Authentication Bypass Direct CheckNessusMacOS X Local Security Checks
high
104814MacOS 10.13 root Authentication Bypass (Security Update 2017-001)NessusMacOS X Local Security Checks
high