Vulnerability CVE-2018-1021

Vulnerability Name:

CVE-2018-1021 (CCN-142267)

Assigned:

2017-12-01

Published:

2018-05-08

Updated:

2020-08-24

Summary:

An information disclosure vulnerability exists when Microsoft Edge improperly handles objects in memory, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8123.

CVSS v3 Severity:

4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/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): None Availibility (A): None

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/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): None Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2018-1021

Source: BID
Type: Third Party Advisory, VDB Entry
103964

Source: CCN
Type: BID-103964
Microsoft Edge CVE-2018-1021 Information Disclosure Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040844

Source: XF
Type: UNKNOWN
ms-edge-cve20181021-info-disc(142267)

Source: CCN
Type: Microsoft Security TechCenter - May 2018
Microsoft Edge Information Disclosure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1021

Source: CCN
Type: ZDI-18-428
Microsoft Edge Undo Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerable Configuration:

Configuration 1:

cpe:/a:microsoft:edge:-:*:*:*:*:*:*:*

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