Vulnerability CVE-2021-45482

Vulnerability Name:

CVE-2021-45482 (CCN-216070)

Assigned:

2021-12-17

Published:

2021-12-17

Updated:

2022-02-05

Summary:

In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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): None Integrity (I): None Availibility (A): High

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

6.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-416

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-45482

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20220121 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0001

Source: XF
Type: UNKNOWN
webkitgtk-cve202145482-dos(216070)

Source: CCN
Type: GitHub Web site
use-after-free in WebCore::ContainerNode::firstChild()

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3

Source: CCN
Type: WebKitGTK Web site
WebKitGTK

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-45482

Vulnerable Configuration:

Configuration 1:

cpe:/a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* (Version < 2.32.4)

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration CCN 1:

cpe:/a:webkitgtk:webkitgtk:2.32.3:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8033	P	libjavascriptcoregtk-5_0-0-2.38.6-150400.4.39.1 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:7603	P	libjavascriptcoregtk-4_0-18-2.38.6-150400.4.39.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:7941	P	libjavascriptcoregtk-4_1-0-2.38.6-150400.4.39.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3401	P	xen-4.12.1_06-1.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3018	P	augeas-1.10.1-2.6 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3320	P	pam_yubico-2.26-1.25 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94648	P	libjavascriptcoregtk-4_0-18-2.36.0-150400.2.13 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94950	P	libjavascriptcoregtk-4_1-0-2.36.0-150400.2.13 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95031	P	libjavascriptcoregtk-5_0-0-2.36.0-150400.2.12 on GA media (Moderate)	2022-06-22
oval:com.redhat.rhsa:def:20221777	P	RHSA-2022:1777: webkit2gtk3 security, bug fix, and enhancement update (Moderate)	2022-05-10
oval:org.opensuse.security:def:119014	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:101647	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:119687	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:1088	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:119125	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:101766	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:119319	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:118824	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:119502	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:955	P	Security update for webkit2gtk3 (Important)	2022-03-04
oval:org.opensuse.security:def:127369	P	Security update for webkit2gtk3 (Important)	2022-03-03
oval:org.opensuse.security:def:5358	P	Security update for webkit2gtk3 (Important)	2022-03-03
oval:org.opensuse.security:def:125808	P	Security update for webkit2gtk3 (Important)	2022-03-03
oval:org.opensuse.security:def:6178	P	Security update for webkit2gtk3 (Important)	2022-03-03
oval:org.opensuse.security:def:126971	P	Security update for webkit2gtk3 (Important)	2022-03-03

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