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.

CVSS Version 3.0

nvd

CVE ID: CVE-2018-4012
Base Score: 8.1
Base Severity: HIGH
Vector String:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

cisco

CVE ID: CVE-2018-4012
Base Score: 9.0
Base Severity: CRITICAL
Vector String:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS Version 2.0

nvd

CVE ID: CVE-2018-4012
Base Score: 9.3
Base Severity: HIGH
Vector String:AV:N/AC:M/Au:N/C:C/I:C/A:C

Refrence: NVDMITRE