CVE-2017-13872 Auth bypass in macOS High Sierra

What is CVE-2017-13872?

CVE-2017-13872 is a high-severity authentication bypass vulnerability in Apple Mac Os X, published on 29 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-287

Which versions are affected by CVE-2017-13872?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2017-13872?

No fix has been published for CVE-2017-13872 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-13872 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-13872 exists.

Public exploit code: 2 Metasploit modules, 2 Exploit-DB entries and 1 proofs of concept on GitHub.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-69wx-h62r-474c.