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AUSCERT External Security Bulletin Redistribution
ESB-2018.1398
WebKitGTK+ security updates
8 May 2018
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AusCERT Security Bulletin Summary
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Product: WebKitGTK+
Publisher: WebKitGTK+
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-4204 CVE-2018-4200 CVE-2018-4121
Reference: ESB-2018.1294
ESB-2018.0968
ESB-2018.0963
Original Bulletin:
https://webkitgtk.org/security/WSA-2018-0004.html
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WebKitGTK+ Security Advisory WSA-2018-0004
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Date reported : May 07, 2018
Advisory ID : WSA-2018-0004
Advisory URL : https://webkitgtk.org/security/WSA-2018-0004.html
CVE identifiers : CVE-2018-4121, CVE-2018-4200, CVE-2018-4204.
Several vulnerabilities were discovered in WebKitGTK+.
CVE-2018-4121
Versions affected: WebKitGTK+ before 2.20.0.
Credit to Natalie Silvanovich of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: Multiple memory corruption
issues were addressed with improved memory handling.
CVE-2018-4200
Versions affected: WebKitGTK+ before 2.20.2.
Credit to Ivan Fratric of Google Project Zero.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved state management.
CVE-2018-4204
Versions affected: WebKitGTK+ before 2.20.1.
Credit to Richard Zhu (fluorescence) working with Trend Micro's Zero
Day Initiative, found by OSS-Fuzz.
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Description: A memory corruption issue was
addressed with improved memory handling.
We recommend updating to the last stable version of WebKitGTK+. It is
the best way of ensuring that you are running a safe version of
WebKitGTK+. Please check our website for information about the last
stable releases.
Further information about WebKitGTK+ Security Advisories can be found
at: https://webkitgtk.org/security.html
The WebKitGTK+ team,
May 07, 2018
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