WebKitGTK+ / WPE WebKit Memory Corruption / Code Execution

2018.12.14
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

------------------------------------------------------------------------ WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0009 ------------------------------------------------------------------------ Date reported : December 13, 2018 Advisory ID : WSA-2018-0009 WebKitGTK+ Advisory URL : https://webkitgtk.org/security/WSA-2018-0009.html WPE WebKit Advisory URL : https://wpewebkit.org/security/WSA-2018-0009.html CVE identifiers : CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464. Several vulnerabilities were discovered in WebKitGTK+ and WPE WebKit. CVE-2018-4437 Versions affected: WebKitGTK+ before 2.22.5 and WPE WebKit before 2.22.3. Credit to HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST Softsec Lab, Korea. Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4438 Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before 2.22.1. Credit to lokihardt of Google Project Zero. Processing maliciously crafted web content may lead to arbitrary code execution. A logic issue existed resulting in memory corruption. This was addressed with improved state management. CVE-2018-4441 Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before 2.22.1. Credit to lokihardt of Google Project Zero. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4442 Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before 2.22.1. Credit to lokihardt of Google Project Zero. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4443 Versions affected: WebKitGTK+ before 2.22.3 and WPE WebKit before 2.22.1. Credit to lokihardt of Google Project Zero. Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. CVE-2018-4464 Versions affected: WebKitGTK+ and WPE WebKit before 2.22.0. Credit to HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST Softsec Lab, Korea. Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were 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, December 13, 2018


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