CVE-2018-4012
Last modified
CVE-2018-4012 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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. EPSS estimates a 2.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Webroot | Brightcloud | All versions |
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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