CVE-2018-6336 | BDVDB-2026-111133 Detail

Facebookosquery

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-254 Security Features (CWE-254)

References#

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

Exploit#

No public exploit known

History#

Version 12018-12-31Record published in the CVE List.
Version 22025-05-06Most recent update recorded in the CVE List.

Published

Published: 2018-12-31
Last modified: 2025-05-06

Vendor information

Vendor: Facebook
Product: osquery

All Facebook vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 42.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
3.2.7
Fixed
Not stated
Vulnerable
< 3.2.7
Fixed
3.2.7

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).