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Date: Thu, 28 Sep 2023 15:36:09 +0200
From: Carlos Alberto Lopez Perez <clopez@...lia.com>
To: webkit-gtk@...ts.webkit.org, webkit-wpe@...ts.webkit.org
Cc: security@...kit.org, oss-security@...ts.openwall.com
Subject: WebKitGTK and WPE WebKit Security Advisory WSA-2023-0009
------------------------------------------------------------------------
WebKitGTK and WPE WebKit Security Advisory WSA-2023-0009
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Date reported : September 28, 2023
Advisory ID : WSA-2023-0009
WebKitGTK Advisory URL : https://webkitgtk.org/security/WSA-2023-0009.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2023-0009.html
CVE identifiers : CVE-2023-39928, CVE-2023-35074,
CVE-2023-39434, CVE-2023-40451,
CVE-2023-41074, CVE-2023-41993.
Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.
CVE-2023-39928
Versions affected: WebKitGTK and WPE WebKit before 2.42.0.
Credit to Marcin 'Icewall' Noga of Cisco Talos.
A use-after-free vulnerability exists in the MediaRecorder API of
the WebKit GStreamer-based ports (WebKitGTK and WPE WebKit). A
specially crafted web page can abuse this vulnerability to cause
memory corruption and potentially arbitrary code execution. A user
would need to to visit a malicious webpage to trigger this
vulnerability. WebKit Bugzilla: 260649.
CVE-2023-35074
Versions affected: WebKitGTK and WPE WebKit before 2.40.0.
Credit to Abysslab Dong Jun Kim(@smlijun) and Jong Seong
Kim(@nevul37).
Impact: Processing web content may lead to arbitrary code execution.
Description: The issue was addressed with improved memory handling.
CVE-2023-39434
Versions affected: WebKitGTK and WPE WebKit before 2.40.5.
Credit to Francisco Alonso (@revskills), and Dohyun Lee (@l33d0hyun)
of PK Security.
Impact: Processing web content may lead to arbitrary code execution.
Description: A use-after-free issue was addressed with improved
memory management.
CVE-2023-40451
Versions affected: WebKitGTK and WPE WebKit before 2.40.5.
Credit to an anonymous researcher.
Impact: An attacker with JavaScript execution may be able to execute
arbitrary code. Description: This issue was addressed with improved
iframe sandbox enforcement.
CVE-2023-41074
Versions affected: WebKitGTK and WPE WebKit before 2.42.0.
Credit to 이준성(Junsung Lee) of Cross Republic and me Li.
Impact: Processing web content may lead to arbitrary code execution.
Description: The issue was addressed with improved checks.
CVE-2023-41993
Versions affected: WebKitGTK and WPE WebKit before 2.42.1.
Credit to Bill Marczak of The Citizen Lab at The University of
Toronto's Munk School and Maddie Stone of Google's Threat Analysis
Group.
Impact: Processing web content may lead to arbitrary code execution.
Apple is aware of a report that this issue may have been actively
exploited. Description: The issue was addressed with improved
checks.
We recommend updating to the latest stable versions of WebKitGTK and WPE
WebKit. It is the best way to ensure that you are running safe versions
of WebKit. Please check our websites for information about the latest
stable releases.
Further information about WebKitGTK and WPE WebKit security advisories
can be found at: https://webkitgtk.org/security.html or
https://wpewebkit.org/security/.
The WebKitGTK and WPE WebKit team,
September 28, 2023
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