CVE-2023-42917

2023-11-3000:00:00

ubuntu.com

memory corruption

ios

ipados

macos sonoma

safari

arbitrary code execution

web content

exploited

limited support

webkit

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.002

Percentile

54.8%

JSON

A memory corruption vulnerability was addressed with improved locking. This
issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari
17.1.2. Processing web content may lead to arbitrary code execution. Apple
is aware of a report that this issue may have been exploited against
versions of iOS before iOS 16.7.1.

Bugs

<https://bugs.webkit.org/show_bug.cgi?id=265041>

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
mdeslaur	It is no longer possible to build new webkit2gtk versions on focal and earlier. Marking as ignored.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchwebkit2gtk< 2.42.3-0ubuntu0.22.04.1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.42.3-0ubuntu0.23.04.1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.42.3-0ubuntu0.23.10.1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.42.3-1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	webkit2gtk	< 2.42.3-0ubuntu0.22.04.1	UNKNOWN
ubuntu	23.04	noarch	webkit2gtk	< 2.42.3-0ubuntu0.23.04.1	UNKNOWN
ubuntu	23.10	noarch	webkit2gtk	< 2.42.3-0ubuntu0.23.10.1	UNKNOWN
ubuntu	24.04	noarch	webkit2gtk	< 2.42.3-1	UNKNOWN