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Date: Fri, 10 Jul 2020 13:25:18 +0200
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-2020-0006
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WebKitGTK and WPE WebKit Security Advisory WSA-2020-0006
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Date reported : July 10, 2020
Advisory ID : WSA-2020-0006
WebKitGTK Advisory URL : https://webkitgtk.org/security/WSA-2020-0006.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2020-0006.html
CVE identifiers : CVE-2020-9802, CVE-2020-9803, CVE-2020-9805,
CVE-2020-9806, CVE-2020-9807, CVE-2020-9843,
CVE-2020-9850, CVE-2020-13753.
Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.
CVE-2020-9802
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Samuel Groß of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A logic issue was addressed
with improved restrictions.
CVE-2020-9803
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Wen Xu of SSLab at Georgia Tech.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved validation.
CVE-2020-9805
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to an anonymous researcher.
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting. Description: A logic issue was
addressed with improved restrictions.
CVE-2020-9806
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Wen Xu of SSLab at Georgia Tech.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved state management.
CVE-2020-9807
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Wen Xu of SSLab at Georgia Tech.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved state management.
CVE-2020-9843
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Ryan Pickren (ryanpickren.com).
Impact: Processing maliciously crafted web content may lead to a
cross site scripting attack. Description: An input validation issue
was addressed with improved input validation.
CVE-2020-9850
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech
working with Trend Micro’s Zero Day Initiative.
Impact: A remote attacker may be able to cause arbitrary code
execution. Description: A logic issue was addressed with improved
restrictions.
CVE-2020-13753
Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3
Credit to Milan Crha at Red Hat.
The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3,
failed to properly block access to CLONE_NEWUSER and the TIOCSTI
ioctl. CLONE_NEWUSER could potentially be used to confuse xdg-
desktop-portal, which allows access outside the sandbox. TIOCSTI can
be used to directly execute commands outside the sandbox by writing
to the controlling terminal's input buffer, similar to
CVE-2017-5226.
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,
July 10, 2020
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