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AUSCERT External Security Bulletin Redistribution
ESB-2018.3636
WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0008
22 November 2018
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AusCERT Security Bulletin Summary
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Product: WebKitGTK+
WPE WebKit
Publisher: Webkit
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-4416 CVE-2018-4392 CVE-2018-4386
CVE-2018-4382 CVE-2018-4378 CVE-2018-4376
CVE-2018-4375 CVE-2018-4373 CVE-2018-4372
CVE-2018-4345
Reference: ESB-2018.3353.2
ESB-2018.3352.2
ESB-2018.3048
ESB-2018.2859
Original Bulletin:
https://webkitgtk.org/security/WSA-2018-0008.html
https://wpewebkit.org/security/WSA-2018-0008.html
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WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0008
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Date reported : November 21, 2018
Advisory ID : WSA-2018-0008
WebKitGTK+ Advisory URL : https://webkitgtk.org/security/WSA-2018-0008.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2018-0008.html
CVE identifiers : CVE-2018-4345, CVE-2018-4372, CVE-2018-4373,
CVE-2018-4375, CVE-2018-4376, CVE-2018-4378,
CVE-2018-4382, CVE-2018-4386, CVE-2018-4392,
CVE-2018-4416.
Several vulnerabilities were discovered in WebKitGTK+ and WPE WebKit.
CVE-2018-4345
Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before
2.22.1.
Credit to an anonymous researcher.
A cross-site scripting issue existed in WebKit. This issue was
addressed with improved URL validation.
CVE-2018-4372
Versions affected: WebKitGTK+ before 2.22.4 and WPE WebKit before
2.22.2.
Credit to HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST
Softsec Lab, Korea.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4373
Versions affected: WebKitGTK+ and WPE WebKit before 2.22.0.
Credit to ngg, alippai, DirtYiCE, KT of Tresorit working with Trend
Micro=FFs Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4375
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to Yu Haiwan and Wu Hongjun From Nanyang Technological
University working with Trend Micro's Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4376
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to 010 working with Trend Micro's Zero Day Initiative.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4378
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to an anonymous researcher, zhunki of 360 ESG Codesafe Team.
Processing maliciously crafted web content may lead to code
execution. A memory corruption issue was addressed with improved
validation.
CVE-2018-4382
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to lokihardt of Google Project Zero.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4386
Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before
2.22.1.
Credit to lokihardt of Google Project Zero.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4392
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to zhunki of 360 ESG Codesafe Team.
Processing maliciously crafted web content may lead to arbitrary
code execution. Multiple memory corruption issues were addressed
with improved memory handling.
CVE-2018-4416
Versions affected: WebKitGTK+ before 2.22.1 and WPE WebKit before
2.22.0.
Credit to lokihardt of Google Project Zero.
Processing maliciously crafted web content may lead to arbitrary
code execution. 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,
November 21, 2018
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