Vulnerability Name:

CVE-2018-8512 (CCN-150418)

Assigned:2018-10-09
Published:2018-10-09
Updated:2018-12-06
Summary:A security feature bypass vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8530.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
4.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)
3.7 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
3.6 Low (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-8512

Source: BID
Type: Third Party Advisory, VDB Entry
105486

Source: CCN
Type: BID-105486
Microsoft Edge CVE-2018-8512 Security Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041825

Source: XF
Type: UNKNOWN
ms-edge-cve20188512-sec-bypass(150418)

Source: CCN
Type: Microsoft Security TechCenter - October 2018
Microsoft Edge Security Feature Bypass Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8512

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:edge:-:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:edge:*:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*

  • * Denotes that component is vulnerable
    BACK
    microsoft edge -
    microsoft windows 10 1703
    microsoft windows 10 1709
    microsoft edge *
    microsoft windows 10 -
    microsoft windows 10 *