Vulnerability Name:

CVE-2021-30818 (CCN-212471)

Assigned:2021-10-25
Published:2021-10-25
Updated:2021-12-21
Summary:A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. 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)
7.7 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-843
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-30818

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007

Source: XF
Type: UNKNOWN
apple-cve202130818-code-exec(212471)

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

Source: CCN
Type: Apple security document HT212814
About the security content of iOS 15 and iPadOS 15

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212814

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212815

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212816

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212819

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/kb/HT212869

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-30818

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apple:safari:*:*:*:*:*:*:*:* (Version < 15.0)
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.8)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.8)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 12.0.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 15.0)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 8.0)

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:apple:ipados:14.8:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:14.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast 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:119097
    P
    		Security update for webkit2gtk3 (Important)
    2022-02-17
    oval:org.opensuse.security:def:118905
    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:119587
    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:101759
    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:118715
    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:898
    P
    		Security update for webkit2gtk3 (Important)
    2022-01-25
    oval:org.opensuse.security:def:127265
    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:6020
    P
    		Security update for webkit2gtk3 (Important)
    2022-01-20
    oval:org.opensuse.security:def:126868
    P
    		Security update for webkit2gtk3 (Important)
    2022-01-20
    BACK
    apple safari *
    apple ipados *
    apple iphone os *
    apple macos *
    apple tvos *
    apple watchos *
    apple ipados 14.8
    apple iphone os 14.8