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AUSCERT External Security Bulletin Redistribution
ESB-2020.0538
Security update for WebKit
18 February 2020
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AusCERT Security Bulletin Summary
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Product: WebKitGTK
WPE WebKit
Publisher: WebKit
Operating System: UNIX variants (UNIX, Linux, OSX)
Mobile Device
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-3868 CVE-2020-3867 CVE-2020-3865
CVE-2020-3864 CVE-2020-3862
Reference: ESB-2020.0355
ESB-2020.0346
Original Bulletin:
https://webkitgtk.org/security/WSA-2020-0002.html
https://wpewebkit.org/security/WSA-2020-0002.html
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WebKitGTK and WPE WebKit Security Advisory WSA-2020-0002
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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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