CVE-2018-6337
7.5 · HIGHOverview
CVE-2018-6337 is a high-severity vulnerability affecting facebook folly. It was published on December 31, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.
Remediation
Check the references section for vendor advisories and patches from facebook. Update folly to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| folly | 2017.12.11.00 | Affected | |
| hhvm | >= 3.26, < 3.26.3 | Affected |
References
Frequently Asked Questions
What is CVE-2018-6337?
CVE-2018-6337 is a high-severity vulnerability affecting facebook folly. It was published on December 31, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2018-6337?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-6337?
Check the references section for vendor advisories and patches from facebook. Update folly to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-6337?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-6337 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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