Vulnerability Name:

CVE-2021-21106 (CCN-194356)

Assigned:2020-12-21
Published:2021-01-06
Updated:2021-01-28
Summary:Use after free in autofill in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
CVSS v3 Severity:9.6 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
8.3 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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): Changed
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:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-2021-21106

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

Source: MISC
Type: Release Notes, Vendor Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html

Source: MISC
Type: Permissions Required, Vendor Advisory
https://crbug.com/1148749

Source: XF
Type: UNKNOWN
google-chrome-cve202121106-code-exec(194356)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-79926272ce

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-d9faeff8eb

Source: GENTOO
Type: Third Party Advisory
GLSA-202101-05

Source: DEBIAN
Type: Third Party Advisory
DSA-4832

Vulnerable Configuration:Configuration 1:
  • cpe:/a:google:chrome:*:*:*:*:*:*:*:* (Version < 87.0.4280.141)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112066
    P
    		chromedriver-93.0.4577.82-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:100363
    P
    		 (Important)
    2021-12-06
    oval:org.opensuse.security:def:105615
    P
    		chromedriver-93.0.4577.82-1.1 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:110651
    P
    		Security update for opera (Moderate)
    2021-01-22
    oval:org.opensuse.security:def:111096
    P
    		Security update for opera (Moderate)
    2021-01-22
    oval:org.opensuse.security:def:109808
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:96461
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:11191
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:11193
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:103151
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:107029
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:93650
    P
    		Security update for chromium (Important)
    2021-01-11
    oval:org.opensuse.security:def:111258
    P
    		Security update for chromium (Important)
    2021-01-10
    oval:org.opensuse.security:def:110664
    P
    		Security update for chromium (Important)
    2021-01-10
    BACK
    google chrome *
    fedoraproject fedora 32
    fedoraproject fedora 33
    debian debian linux 10.0