Critical severity9.0NVD Advisory· Published Jan 3, 2019· Updated Jun 17, 2026
CVE-2018-4012
CVE-2018-4012
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.
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Affected products
2- cpe:2.3:a:webroot:brightcloud:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683nvdExploitThird Party Advisory
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