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WebKitGTK+ / WPE WebKit Memory Corruption / Code Execution

WebKitGTK+ / WPE WebKit Memory Corruption / Code Execution
Posted Dec 13, 2018
Authored by WebKitGTK+ Team

WebKitGTK+ and WPE WebKit suffer from multiple memory corruption vulnerabilities that can lead to code execution.

tags | advisory, vulnerability, code execution
advisories | CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464
SHA-256 | a7ec001ae70f4424c933c3e526ad4f1f1edfb80ffe8e45ec92f1ffebddd58f71

WebKitGTK+ / WPE WebKit Memory Corruption / Code Execution

Change Mirror Download
------------------------------------------------------------------------
WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0009
------------------------------------------------------------------------

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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