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Message-ID: <cb8ce1dd-6dee-b6f9-4081-f662887ce835@igalia.com>
Date: Fri, 21 Jan 2022 16:53:45 +0000
From: Carlos Alberto Lopez Perez <clopez@...lia.com>
To: webkit-gtk@...ts.webkit.org, webkit-wpe@...ts.webkit.org
Cc: security@...kit.org, distributor-list@...me.org,
oss-security@...ts.openwall.com, bugtraq@...urityfocus.com
Subject: WebKitGTK and WPE WebKit Security Advisory WSA-2022-0001
------------------------------------------------------------------------
WebKitGTK and WPE WebKit Security Advisory WSA-2022-0001
------------------------------------------------------------------------
Date reported : January 21, 2022
Advisory ID : WSA-2022-0001
WebKitGTK Advisory URL : https://webkitgtk.org/security/WSA-2022-0001.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2022-0001.html
CVE identifiers : CVE-2021-30934, CVE-2021-30936,
CVE-2021-30951, CVE-2021-30952,
CVE-2021-30953, CVE-2021-30954,
CVE-2021-30984, CVE-2022-XXXXX,
CVE-2021-45481, CVE-2021-45482,
CVE-2021-45483.
Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.
CVE-2021-30934
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Dani Biro.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A buffer overflow issue was
addressed with improved memory handling.
CVE-2021-30936
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher
lab.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A use after free issue was
addressed with improved memory management.
CVE-2021-30951
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Pangu.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A use after free issue was
addressed with improved memory management.
CVE-2021-30952
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to WeBin.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: An integer overflow was
addressed with improved input validation.
CVE-2021-30953
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to VRIJ.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: An out-of-bounds read was
addressed with improved bounds checking.
CVE-2021-30954
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Kunlun Lab.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A type confusion issue was
addressed with improved memory handling.
CVE-2021-30984
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Kunlun Lab.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A race condition was
addressed with improved state handling.
CVE-2022-XXXXX
Versions affected: WebKitGTK and WPE WebKit before 2.34.4.
Credit to Martin Bajanik from fingerprintjs.com.
Impact: A malicious website may exfiltrate data cross-origin.
Description: A cross-origin issue existed with the IndexedDB. This
was addressed with improved checking of security origins.
Notes: There is a public PoC demonstrating this issue at
https://safarileaks.com so this issue may have been actively
exploited. We still don't know the CVE number that will be assigned
to this issue. We will update this advisory once we know it.
CVE-2021-45481
Versions affected: WebKitGTK and WPE WebKit before 2.34.0.
Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab.
Processing maliciously crafted web content may cause an application
crash due to an incorrect memory allocation in
WebCore::ImageBufferCairoImageSurfaceBackend::create
CVE-2021-45482
Versions affected: WebKitGTK and WPE WebKit before 2.32.4.
Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab.
Processing maliciously crafted web content may cause a memory
corruption issue (use-after-free) in WebCore::ContainerNode::firstChild
CVE-2021-45483
Versions affected: WebKitGTK and WPE WebKit before 2.34.0.
Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab.
Processing maliciously crafted web content may cause a memory
corruption issue (heap-use-after-free) in WebCore::Frame::page
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,
January 21, 2022
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