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                                CERT-Renater

                     Note d'Information No. 2023/VULN514

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DATE                : 06/12/2023

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running WebKitGTK, WPE WebKit versions
                                  prior to 2.42.3.

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https://webkitgtk.org/security/WSA-2023-0011.html
https://wpewebkit.org/security/WSA-2023-0011.html
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WebKitGTK and WPE WebKit Security Advisory                 WSA-2023-0011
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Date reported           : December 05, 2023
Advisory ID             : WSA-2023-0011
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2023-0011.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2023-0011.html
CVE identifiers         : CVE-2023-42916, CVE-2023-42917.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2023-42916
     Versions affected: WebKitGTK and WPE WebKit before 2.42.3.
     Credit to Clément Lecigne of Google's Threat Analysis Group.
     Impact: Processing web content may disclose sensitive     information.
     Apple is aware of a report that this issue may have been
     actively exploited. Description: An out-of-bounds read was
     addressed with improved input validation.
     WebKit Bugzilla: 265041

CVE-2023-42917
     Versions affected: WebKitGTK and WPE WebKit before 2.42.3.
     Credit to Clément Lecigne of Google's Threat Analysis Group.
     Impact: Processing web content may lead to arbitrary code
     execution.
     Apple is aware of a report that this issue may have been
     actively exploited. Description: A memory corruption
     vulnerability was addressed with improved locking.
     WebKit Bugzilla: 265067


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 05, 2023


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