Vulnerability CVE-2021-30586

Vulnerability Name:

CVE-2021-30586 (CCN-206011)

Assigned:

2021-07-20

Published:

2021-07-20

Updated:

2021-12-08

Summary:

Use after free in dialog box handling in Windows in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High Integrity (I): High Availibility (A): High

8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

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

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

9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-416

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-30586

Source: CCN
Type: Google Chrome Releases Web site
Stable Channel Update for Desktop

Source: MISC
Type: Vendor Advisory
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html

Source: MISC
Type: Permissions Required, Third Party Advisory
https://crbug.com/1201032

Source: XF
Type: UNKNOWN
google-chrome-cve202130586-code-exec(206011)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-78b9d84299

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-02b301441f

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-6225d60814

Vulnerable Configuration:

Configuration 1:

cpe:/a:google:chrome:*:*:*:*:*:*:*:* (Version < 92.0.4515.107)

Configuration 2:

cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Denotes that component is vulnerable

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