CVE-2021-30888

2021-08-2400:00:00

ubuntu.com

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

EPSS

0.003

Percentile

68.9%

JSON

An information leakage issue was addressed. This issue is fixed in iOS 15.1
and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS
15.1, watchOS 8.1. A malicious website using Content Security Policy
reports may be able to leak information via redirect behavior .

Notes

Author	Note
jdstrand	webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchwebkit2gtk< 2.34.1-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchwebkit2gtk< 2.34.1-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN
ubuntu22.04noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN
ubuntu22.10noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.34.0-1ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	webkit2gtk	< 2.34.1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	21.04	noarch	webkit2gtk	< 2.34.1-0ubuntu0.21.04.1	UNKNOWN
ubuntu	21.10	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN
ubuntu	22.04	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN
ubuntu	22.10	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN
ubuntu	23.04	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN
ubuntu	23.10	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN
ubuntu	24.04	noarch	webkit2gtk	< 2.34.0-1ubuntu1	UNKNOWN