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                               CERT-Renater

                    Note d'Information No. 2022/VULN192

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DATE                : 01/06/2022

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running WebKitGTK, WPE WebKit versions
                                prior to 2.36.3.

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https://webkitgtk.org/security/WSA-2022-0005.html
https://wpewebkit.org/security/WSA-2022-0005.html
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WebKitGTK and WPE WebKit Security Advisory                 WSA-2022-0005
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Date reported           : May 30, 2022
Advisory ID             : WSA-2022-0005
WebKitGTK Advisory URL  : https://webkitgtk.org/security/WSA-2022-0005.html
WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2022-0005.html
CVE identifiers         : CVE-2022-26700, CVE-2022-26709,
                           CVE-2022-26717, CVE-2022-26716,
                           CVE-2022-26719, CVE-2022-30293,
                           CVE-2022-30294.

Several vulnerabilities were discovered in WebKitGTK and WPE WebKit.

CVE-2022-26700
     Versions affected: WebKitGTK and WPE WebKit before 2.36.3.
     Credit to ryuzaki.
     Impact: Processing maliciously crafted web content may lead to code
     execution. Description: A memory corruption issue was addressed with
     improved state management.

CVE-2022-26709
     Versions affected: WebKitGTK and WPE WebKit before 2.36.3.
     Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher
     lab.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution. Description: A use after free issue was
     addressed with improved memory management.

CVE-2022-26717
     Versions affected: WebKitGTK and WPE WebKit before 2.36.3.
     Credit to Jeonghoon Shin of Theori.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution. Description: A use after free issue was
     addressed with improved memory management.

CVE-2022-26716
     Versions affected: WebKitGTK and WPE WebKit before 2.36.3.
     Credit to SorryMybad (@S0rryMybad) of Kunlun Lab.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution. Description: A memory corruption issue was
     addressed with improved state management.

CVE-2022-26719
     Versions affected: WebKitGTK and WPE WebKit before 2.36.3.
     Credit to Dongzhuo Zhao working with ADLab of Venustech.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution. Description: A memory corruption issue was
     addressed with improved state management.

CVE-2022-30293
     Versions affected: WebKitGTK and WPE WebKit before 2.36.1.
     Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher
     lab.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution or to a denial of service (application
     crash). Description: A memory corruption issue that could cause a
     heap use after free or a heap buffer overflow in
     WebCore::TextureMapperLayer::setContentsLayer was addressed with
     improved state management.

CVE-2022-30294
     Versions affected: WebKitGTK and WPE WebKit before 2.36.1.
     Credit to Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher
     lab.
     Impact: Processing maliciously crafted web content may lead to
     arbitrary code execution or to a denial of service (application
     crash). Description: A memory corruption issue that could cause a
     heap use after free or a heap buffer overflow in
     WebCore::TextureMapperLayer::setContentsLayer was addressed with
     improved state management. This is the same issue than
     CVE-2022-30293.


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,
May 30, 2022


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