CVE-2018-4012
9.0 · CRITICALOverview
CVE-2018-4012 is a critical-severity vulnerability affecting webroot brightcloud. It was published on January 3, 2019 and has a CVSS 3.0 base score of 9.0 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability.
Remediation
Check the references section for vendor advisories and patches from webroot. Update brightcloud 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 |
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Frequently Asked Questions
What is CVE-2018-4012?
CVE-2018-4012 is a critical-severity vulnerability affecting webroot brightcloud. It was published on January 3, 2019 and has a CVSS 3.0 base score of 9.0 (CRITICAL).
How severe is CVE-2018-4012?
This vulnerability has a CVSS 3.0 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-4012?
Check the references section for vendor advisories and patches from webroot. Update brightcloud 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-2018-4012?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-4012 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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