Vulnerability CVE-2021-30795

Vulnerability Name:

CVE-2021-30795 (CCN-206134)

Assigned:

2021-07-21

Published:

2021-07-21

Updated:

2021-09-16

Summary:

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

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)
7.9 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: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): 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)
7.9 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: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): 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)
7.9 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: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): 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
CWE-20

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-30795

Source: XF
Type: UNKNOWN
apple-safari-cve202130795-code-exec(206134)

Source: CCN
Type: Packet Storm Security [08-19-2021]
WebKit WebCore::FrameLoader::PolicyChecker::checkNavigationPolicy Heap Use-After-Free

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212601

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212602

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212604

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212605

Source: CCN
Type: Apple security document HT212606
About the security content of Safari 14.1.2

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212606

Source: CCN
Type: IBM Security Bulletin 6551876 (Cloud Pak for Security)
Cloud Pak for Security uses packages that are vulnerable to multiple CVEs

Vulnerable Configuration:

Configuration 1:

cpe:/a:apple:safari:*:*:*:*:*:*:*:* (Version < 14.1.2)

OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.7)

OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.5)

OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 14.7)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 7.6)

Configuration RedHat 1:

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

Configuration RedHat 2:

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

Configuration RedHat 3:

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

Configuration RedHat 4:

cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 5:

cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

Configuration CCN 1:

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

AND

cpe:/a:ibm:cloud_pak_for_security:1.7.2.0:*:*:*:*:*:*:*

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:51933	P	Security update for cifs-utils (Moderate)	2022-10-05
oval:org.opensuse.security:def:749	P	Security update for libyang (Important)	2022-09-12
oval:org.opensuse.security:def:6116	P	Security update for webkit2gtk3 (Important) (in QA)	2022-08-30
oval:org.opensuse.security:def:95339	P	Security update for libguestfs (Moderate)	2022-07-28
oval:org.opensuse.security:def:3650	P	Security update for s390-tools (Important)	2022-07-25
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:3463	P	cups-1.7.5-20.23.1 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:94789	P	procmail-3.22-2.34 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:94648	P	libjavascriptcoregtk-4_0-18-2.36.0-150400.2.13 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94575	P	gstreamer-1.20.1-150400.1.5 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:93115	P	(Important)	2021-12-06
oval:org.opensuse.security:def:100024	P	(Important)	2021-12-06
oval:com.redhat.rhsa:def:20214381	P	RHSA-2021:4381: GNOME security, bug fix, and enhancement update (Moderate)	2021-11-09
oval:org.opensuse.security:def:93268	P	(Important)	2021-10-25
oval:org.opensuse.security:def:101502	P	Security update for java-11-openjdk (Important)	2021-09-03
oval:org.opensuse.security:def:10316	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:92366	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:8632	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:69516	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:99515	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:9566	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:70456	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:98929	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:92565	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:8818	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:69706	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:99714	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:9765	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:91979	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:99124	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:92764	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:9013	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:69905	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:10130	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:92174	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:99316	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:92962	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:9376	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:70270	P	Security update for webkit2gtk3 (Important)	2021-08-17
oval:org.opensuse.security:def:110993	P	Security update for webkit2gtk3 (Important)	2021-08-09
oval:org.opensuse.security:def:101288	P	pam-devel-32bit-1.3.0-6.29.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:4144	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:65233	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:89429	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:32159	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:57982	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:85704	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:23945	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:51628	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:101712	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:34496	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:60319	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:88165	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:30227	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:56050	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:83434	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:125578	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:108168	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:74365	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:4208	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:65297	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:32972	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:58795	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:86125	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:26098	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:5085	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:73674	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:64552	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:88479	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:31240	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:57063	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:84187	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:126747	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:108718	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:75948	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:102052	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:5791	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:66880	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:33693	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:59516	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:86623	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:29403	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:55226	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:82610	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:117469	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:111647	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:73861	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:64739	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:89171	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:31661	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:57484	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:84646	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:127144	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:23640	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:76273	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:101480	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:67205	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:33951	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:59774	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:87436	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:30107	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:55930	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:83314	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:117682	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:107954	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:74301	P	Security update for webkit2gtk3 (Important)	2021-08-03

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