CVE-2018-4012

CVSS V2 High 9.3 CVSS V3 High 8.1
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.
Overview
  • CVE ID
  • CVE-2018-4012
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-01-03T22:29:00
  • Last Modified Date
  • 2022-04-19T18:15:45
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:webroot:brightcloud:*:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-4012
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4012
History
Created Old Value New Value Data Type Notes
2022-04-20 17:01:18 Added to TrackCVE
2022-12-03 16:00:38 2019-01-03T22:29Z 2019-01-03T22:29:00 CVE Published Date updated
2022-12-03 16:00:38 2022-04-19T18:15:45 CVE Modified Date updated
2022-12-03 16:00:38 Modified Vulnerability Status updated