CVE-2018-6336

Name: CVE-2018-6336
Creator: NVD / NIST
Published: 2018-12-31T19:29:00.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2018-6336 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in osquery. A maliciously crafted Universal/fat binary can evade third-party code signing checks. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

An issue was discovered in osquery. A maliciously crafted Universal/fat binary can evade third-party code signing checks. By not completing full inspection of the Universal/fat binary, the user of the third-party tool will believe that the code is signed by Apple, but the malicious unsigned code will execute. This issue affects osquery prior to v3.2.7

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.49%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linuxfoundation	Osquery	< 3.2.7

References

https://www.okta.com/security-blog/2018/06/issues-around-third-party-apple-code-signing-checks/Exploit, Third Party Advisory
https://www.okta.com/security-blog/2018/06/issues-around-third-party-apple-code-signing-checks/Exploit, Third Party Advisory

Timeline

Published: Dec 31, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6336?

How severe is CVE-2018-6336?

CVE-2018-6336 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6336?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-6336?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST