CVE-2021-30887

webkitgtk: Logic issue leading to Content Security Policy bypass

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.

Se abordó un problema lógico con restricciones mejoradas. Este problema se corrigió en macOS Monterey versión 12.0.1, iOS versión 15.1 y iPadOS versión 15.1, watchOS versión 8.1, tvOS versión 15.1. El procesamiento de contenido web diseñado de forma maliciosa puede conllevar a una no aplicación inesperada de la política de seguridad de contenidos

A logic issue was found in WebKitGTK. A specially crafted web content could use this flaw to bypass Content Security Policy bypass when processed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-13 CVE Reserved
2021-08-24 CVE Published
2024-05-09 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (11)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2021/12/20/6	Mailing List
https://support.apple.com/en-us/HT212867	X_refsource_misc
https://support.apple.com/en-us/HT212869	X_refsource_misc
https://support.apple.com/en-us/HT212874	X_refsource_misc
https://support.apple.com/en-us/HT212876	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V	2023-11-07
https://www.debian.org/security/2021/dsa-5030	2023-11-07
https://www.debian.org/security/2021/dsa-5031	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-30887	2022-05-10
https://bugzilla.redhat.com/show_bug.cgi?id=2034381	2022-05-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 15.1 Search vendor "Apple" for product "Ipados" and version " < 15.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 15.1 Search vendor "Apple" for product "Iphone Os" and version " < 15.1"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				< 12.0.1 Search vendor "Apple" for product "Macos" and version " < 12.0.1"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 15.1 Search vendor "Apple" for product "Tvos" and version " < 15.1"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 8.1 Search vendor "Apple" for product "Watchos" and version " < 8.1"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected