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Date: Fri, 14 Feb 2020 14:57:58 +0100
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-2020-0002

------------------------------------------------------------------------
WebKitGTK and WPE WebKit Security Advisory                 WSA-2020-0002
------------------------------------------------------------------------

Date reported           : February 14, 2020
Advisory ID             : WSA-2020-0002
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2020-0002.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2020-0002.html
CVE identifiers         : CVE-2020-3862, CVE-2020-3864, CVE-2020-3865,
                          CVE-2020-3867, CVE-2020-3868.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2020-3862
    Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before
    2.26.4.
    Credit to Srikanth Gatta of Google Chrome.
    Impact: A malicious website may be able to cause a denial of
    service. Description: A denial of service issue was addressed with
    improved memory handling.

CVE-2020-3864
    Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before
    2.26.4.
    Credit to Ryan Pickren (ryanpickren.com).
    Impact: A DOM object context may not have had a unique security
    origin. Description: A logic issue was addressed with improved
    validation.

CVE-2020-3865
    Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before
    2.26.4.
    Credit to Ryan Pickren (ryanpickren.com).
    Impact: A top-level DOM object context may have incorrectly been
    considered secure. Description: A logic issue was addressed with
    improved validation.

CVE-2020-3867
    Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before
    2.26.4.
    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 state management.

CVE-2020-3868
    Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before
    2.26.4.
    Credit to Marcin Towalski of Cisco Talos.
    Impact: Processing maliciously crafted web content may lead to
    arbitrary code execution. Description: Multiple memory corruption
    issues were addressed with improved memory handling.


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,
February 14, 2020



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