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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2295 WebKitGTK+ and WPE WebKit Security Advisory 9 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebKitGTK+ WPE WebKit Publisher: WebKitGTK+ Operating System: Linux variants OS X Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-12911 CVE-2018-4284 CVE-2018-4278 CVE-2018-4273 CVE-2018-4272 CVE-2018-4271 CVE-2018-4270 CVE-2018-4267 CVE-2018-4266 CVE-2018-4265 CVE-2018-4264 CVE-2018-4263 CVE-2018-4262 CVE-2018-4261 CVE-2018-4246 Reference: ESB-2018.1990 ESB-2018.1989 ESB-2018.1986 ESB-2018.1985 ESB-2018.1984 ESB-2018.1661 ESB-2018.1660.2 Original Bulletin: https://webkitgtk.org/security/WSA-2018-0006.html - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------ WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0006 - ------------------------------------------------------------------------ Date reported : August 07, 2018 Advisory ID : WSA-2018-0006 WebKitGTK+ Advisory URL : https://webkitgtk.org/security/WSA-2018-0006.html WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2018-0006.html CVE identifiers : CVE-2018-4246, CVE-2018-4261, CVE-2018-4262, CVE-2018-4263, CVE-2018-4264, CVE-2018-4265, CVE-2018-4266, CVE-2018-4267, CVE-2018-4270, CVE-2018-4271, CVE-2018-4272, CVE-2018-4273, CVE-2018-4278, CVE-2018-4284, CVE-2018-12911. Several vulnerabilities were discovered in WebKitGTK+ and WPE WebKit. CVE-2018-4246 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.1. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to arbitrary code execution. A type confusion issue was addressed with improved memory handling. CVE-2018-4261 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Omair working with Trend Micro's Zero Day Initiative. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4262 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Mateusz Krzywicki working with Trend Micro's Zero Day Initiative. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4263 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Arayz working with Trend Micro's Zero Day Initiative. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4264 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz, Yu Zhou and Jundong Xie of Ant-financial Light- Year Security Lab. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4265 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to cc working with Trend Micro's Zero Day Initiative. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4266 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz. A malicious website may be able to cause a denial of service. A race condition was addressed with additional validation. CVE-2018-4267 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Arayz of Pangu team working with Trend Micro's Zero Day Initiative. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4270 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to an unexpected application crash. A memory corruption issue was addressed with improved memory handling. CVE-2018-4271 Versions affected: WebKitGTK+ before 2.20.2. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to an unexpected application crash. A memory corruption issue was addressed with improved input validation. CVE-2018-4272 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4273 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to an unexpected application crash. A memory corruption issue was addressed with improved input validation. CVE-2018-4278 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Jun Kokatsu (@shhnjk). A malicious website may exfiltrate audio data cross-origin. Sound fetched through audio elements may be exfiltrated cross-origin. This issue was addressed with improved audio taint tracking. CVE-2018-4284 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to OSS-Fuzz. Processing maliciously crafted web content may lead to arbitrary code execution. A type confusion issue was addressed with improved memory handling. CVE-2018-12911 Versions affected: WebKitGTK+ before 2.20.4 and WPE WebKit before 2.20.2. Credit to Yu Haiwan. Processing maliciously crafted web content may lead to arbitrary code execution. A buffer overflow issue was 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, August 07, 2018 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. 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