Vulnerability CVE-2021-30858

Vulnerability Name:

CVE-2021-30858 (CCN-209184)

Assigned:

2021-08-24

Published:

2021-08-24

Updated:

2021-12-03

Summary:

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

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

8.8 High (REDHAT 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 (REDHAT 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-2021-30858

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210917 APPLE-SA-2021-09-13-5 Safari 14.1.2

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20210920 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0005

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20211027 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006

Source: XF
Type: UNKNOWN
apple-macos-cve202130858-code-exec(209184)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-c00e45b6c0

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-edf6957b7d

Source: CCN
Type: Apple security document HT212804
About the security content of macOS Big Sur 11.6

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212804

Source: CCN
Type: Apple security document HT212807
About the security content of iOS 14.8 and iPadOS 14.8

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212807

Source: CCN
Type: Apple security document HT212808
About the security content of Safari 14.1.2

Source: CCN
Type: Apple security document HT212824
About the security content of iOS 12.5.5

Source: CONFIRM
Type: Third Party Advisory
https://support.apple.com/kb/HT212824

Source: CCN
Type: CYBERSECURITY & INFRASTRUCTURE SECURITY AGENCY
KNOWN EXPLOITED VULNERABILITIES CATALOG

Source: DEBIAN
Type: Third Party Advisory
DSA-4975

Source: DEBIAN
Type: Third Party Advisory
DSA-4976

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-30858

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version >= 13.1 and < 14.8)

OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.5.5)

OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version >= 13.0 and < 14.8)

OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 11.6)

Configuration 2:

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

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

Configuration 3:

cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

Configuration RedHat 3:

cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

Configuration RedHat 4:

cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

Configuration RedHat 5:

cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

Configuration CCN 1:

cpe:/a:apple:safari:14.1.1:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:14.7:*:*:*:*:*:*:*

OR cpe:/o:apple:ipados:14.7:*:*:*:*:*:*:*

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: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: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:51967	P	Security update for supportutils (Moderate)	2022-11-29
oval:org.opensuse.security:def:786	P	Security update for slurm_18_08 (Important)	2022-09-29
oval:org.opensuse.security:def:95404	P	Security update for xen (Important)	2022-07-29
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:3498	P	ghostscript-9.27-23.28.1 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:3687	P	libthai-data-0.1.25-4.2 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:94610	P	libXfont2-2-2.0.3-1.17 on GA media (Moderate)	2022-06-22
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:94804	P	python3-paramiko-2.4.2-150100.6.12.1 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:org.opensuse.security:def:6196	P	Security update for openssl-1_0_0 (Important)	2022-03-15
oval:org.opensuse.security:def:119097	P	Security update for webkit2gtk3 (Important)	2022-02-17
oval:org.opensuse.security:def:99742	P	(Critical)	2022-02-08
oval:org.opensuse.security:def:101759	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:1070	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:119212	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:101609	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:118715	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:898	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:119402	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:118905	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:119587	P	Security update for webkit2gtk3 (Important)	2022-01-25
oval:org.opensuse.security:def:126868	P	Security update for webkit2gtk3 (Important)	2022-01-20
oval:org.opensuse.security:def:5226	P	Security update for webkit2gtk3 (Important)	2022-01-20
oval:org.opensuse.security:def:125702	P	Security update for webkit2gtk3 (Important)	2022-01-20
oval:org.opensuse.security:def:127265	P	Security update for webkit2gtk3 (Important)	2022-01-20
oval:org.opensuse.security:def:6020	P	Security update for webkit2gtk3 (Important)	2022-01-20
oval:org.opensuse.security:def:112660	P	libjavascriptcoregtk-4_0-18-2.32.4-1.1 on GA media (Moderate)	2022-01-17
oval:com.redhat.rhsa:def:20220059	P	RHSA-2022:0059: webkitgtk4 security update (Moderate)	2022-01-11
oval:org.opensuse.security:def:102117	P	Security update for the Linux Kernel (Important)	2021-11-09
oval:com.redhat.rhsa:def:20214097	P	RHSA-2021:4097: webkit2gtk3 security and bug fix update (Moderate)	2021-11-02
oval:org.opensuse.security:def:111090	P	Security update for webkit2gtk3 (Important)	2021-10-18
oval:org.opensuse.security:def:99149	P	(Important)	2021-10-15
oval:org.opensuse.security:def:117503	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:76353	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:67285	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:107989	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:74316	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:4159	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:65248	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:117697	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:101323	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:108183	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:74381	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:4224	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:65313	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:73709	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:101517	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:64587	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:108783	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:76013	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:101728	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:5856	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:66945	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:73898	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:1037	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:111744	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:64776	P	Security update for webkit2gtk3 (Important)	2021-10-12
oval:org.opensuse.security:def:31690	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:57513	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:86662	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:23684	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:82638	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:33983	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:59806	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:89203	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:30134	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:55957	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:84678	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:5128	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:125612	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:32198	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:58021	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:87482	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:23979	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:51672	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:83341	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:127176	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:34555	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:60378	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:89461	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:30254	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:56077	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:85746	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:33018	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:58841	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:88200	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:26141	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:83461	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:31282	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:57105	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:86154	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:126779	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:33725	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:59548	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:88517	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:29431	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:55254	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:84219	P	Security update for webkit2gtk3 (Important)	2021-10-06
oval:org.opensuse.security:def:106034	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:10157	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:92199	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:100053	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:9403	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:70297	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:99344	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:106233	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:10344	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:92394	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:8656	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:69543	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:105644	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:9594	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:70484	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:99543	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:106432	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:92593	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:8843	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:69734	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:98954	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:105839	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:9793	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:92004	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:106718	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:92792	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:9038	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:69933	P	Security update for webkit2gtk3 (Important)	2021-10-04
oval:org.opensuse.security:def:106141	P	libjavascriptcoregtk-4_0-18-2.32.4-1.1 on GA media (Moderate)	2021-10-01

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