WebKitGTK and WPE WebKit Security Advisory WSA-2023-0008

[Carlos Alberto Lopez Perez <clopez () igalia com>]

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WebKitGTK and WPE WebKit Security Advisory                 WSA-2023-0008
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Date reported           : September 11, 2023
Advisory ID             : WSA-2023-0008
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2023-0008.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2023-0008.html
CVE identifiers         : CVE-2023-28198, CVE-2023-32370,
                          CVE-2023-40397.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2023-28198
    Versions affected: WebKitGTK and WPE WebKit before 2.40.1.
    Credit to hazbinhotel working with Trend Micro Zero Day Initiative.
    Impact: Processing web content may lead to arbitrary code execution.
    Description: A use-after-free issue was addressed with improved
    memory management.

CVE-2023-32370
    Versions affected: WebKitGTK and WPE WebKit before 2.40.1.
    Credit to Gertjan Franken of imec-DistriNet, KU Leuven.
    Impact: Content Security Policy to block domains with wildcards may
    fail. Description: A logic issue was addressed with improved
    validation.

CVE-2023-40397
    Versions affected: WebKitGTK and WPE WebKit before 2.40.5.
    Credit to Johan Carlsson (joaxcar).
    Impact: A remote attacker may be able to cause arbitrary javascript
    code execution. Description: The issue was addressed with improved
    checks.


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,
September 11, 2023