CVE-2018-6336
CVE-2018-6336 is a high-severity vulnerability in Linuxfoundation Osquery with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-354.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-354
- Affected product: Linuxfoundation Osquery
- Published:
- Last modified:
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
Frequently asked questions
- What is CVE-2018-6336?
- 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
- How severe is CVE-2018-6336?
- CVE-2018-6336 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6336 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6336?
- CVE-2018-6336 affects Linuxfoundation Osquery. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-6336?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-6336 published?
- CVE-2018-6336 was published on 2018-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:linuxfoundation:osquery:*:*:*:*:*:*:*:*
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