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WebKitGTK+ Memory Corruption / Code Execution

WebKitGTK+ Memory Corruption / Code Execution
Posted May 7, 2018
Authored by WebKitGTK+ Team

WebKitGTK+ versions prior to 2.20.0, 2.20.1, and 2.20.1 suffer from various memory corruption vulnerabilities.

tags | advisory, vulnerability
advisories | CVE-2018-4121, CVE-2018-4200, CVE-2018-4204
MD5 | eafc602f2f8ac8f38af460d1dd59335b

WebKitGTK+ Memory Corruption / Code Execution

Change Mirror Download
------------------------------------------------------------------------
WebKitGTK+ Security Advisory WSA-2018-0004
------------------------------------------------------------------------

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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