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AUSCERT External Security Bulletin Redistribution
ESB-2018.3878
WebKitGTK+ and WPE WebKit address RCE vulnerabilities
14 December 2018
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AusCERT Security Bulletin Summary
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Product: WebKitGTK+
WPE WebKit
Publisher: WebKit
Operating System: Linux variants
Mac OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-4464 CVE-2018-4443 CVE-2018-4442
CVE-2018-4441 CVE-2018-4438 CVE-2018-4437
Reference: ESB-2018.3770
ESB-2018.3769
ESB-2018.3768
ESB-2018.3766
Original Bulletin:
https://webkitgtk.org/security/WSA-2018-0009.html
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WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0009
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Date reported : December 13, 2018
Advisory ID : WSA-2018-0009
WebKitGTK+ Advisory URL :
https://webkitgtk.org/security/WSA-2018-0009.html
WPE WebKit Advisory URL :
https://wpewebkit.org/security/WSA-2018-0009.html
CVE identifiers : CVE-2018-4437, CVE-2018-4438, CVE-2018-4441,
CVE-2018-4442, CVE-2018-4443, CVE-2018-4464.
Several vulnerabilities were discovered in WebKitGTK+ and WPE WebKit.
CVE-2018-4437
Versions affected: WebKitGTK+ before 2.22.5 and WPE WebKit before
2.22.3.
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-2018-4438
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. A logic issue existed resulting in memory
corruption. This was addressed with improved state management.
CVE-2018-4441
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. A memory corruption issue was addressed with
improved memory handling.
CVE-2018-4442
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. A memory corruption issue was addressed with
improved memory handling.
CVE-2018-4443
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. A memory corruption issue was addressed with
improved memory handling.
CVE-2018-4464
Versions affected: WebKitGTK+ and WPE WebKit before 2.22.0.
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.
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,
December 13, 2018
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