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CVE-2021-30889 – webkitgtk: Buffer overflow leading to arbitrary code execution
https://notcve.org/view.php?id=CVE-2021-30889
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de desbordamiento del búfer con un manejo de memoria mejorada. Este problema se corrigió en macOS Monterey versión 12.0.1, iOS versión 15.1 y iPadOS versión 15.1, watchOS versión 8.1, tvOS versión 15.1. • http://www.openwall.com/lists/oss-security/2021/12/20/6 https://support.apple.com/en-us/HT212867 https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212874 https://support.apple.com/en-us/HT212876 https://access.redhat.com/security/cve/CVE-2021-30889 https://bugzilla.redhat.com/show_bug.cgi?id=2034386 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
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CVE-2021-30888 – webkitgtk: Information leak via Content Security Policy reports
https://notcve.org/view.php?id=CVE-2021-30888
An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior . Se abordó un problema de filtrado de información. Este problema se corrigió en iOS versión 15.1 y iPadOS versión 15.1, macOS Monterey versión 12.0.1, iOS versión 14.8.1 y iPadOS versión 14.8.1, tvOS versión 15.1, watchOS versión 8.1. • http://www.openwall.com/lists/oss-security/2021/12/20/6 https://support.apple.com/en-us/HT212867 https://support.apple.com/en-us/HT212868 https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212874 https://support.apple.com/en-us/HT212876 https://access.redhat.com/security/cve/CVE-2021-30888 https://bugzilla.redhat.com/show_bug.cgi?id=2034383 • CWE-601: URL Redirection to Untrusted Site ('Open Redirect') •
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CVE-2021-30887 – webkitgtk: Logic issue leading to Content Security Policy bypass
https://notcve.org/view.php?id=CVE-2021-30887
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy. Se abordó un problema lógico con restricciones mejoradas. Este problema se corrigió en macOS Monterey versión 12.0.1, iOS versión 15.1 y iPadOS versión 15.1, watchOS versión 8.1, tvOS versión 15.1. • http://www.openwall.com/lists/oss-security/2021/12/20/6 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V https://support.apple.com/en-us/HT212867 https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212874 https://support.apple.com/en-us/HT212876 https://www.debian.org/security/20 •
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CVE-2021-30886
https://notcve.org/view.php?id=CVE-2021-30886
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. An application may be able to execute arbitrary code with kernel privileges. Se abordó un problema de uso de memoria previamente liberada con una administración de la memoria mejorada. Este problema se corrigió en macOS Monterey versión 12.0.1, iOS versión 15.1 y iPadOS versión 15.1, watchOS versión 8.1, tvOS versión 15.1. • https://support.apple.com/en-us/HT212867 https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212874 https://support.apple.com/en-us/HT212876 • CWE-416: Use After Free •
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CVE-2021-30884 – webkitgtk: CSS compositing issue leading to revealing of the browsing history
https://notcve.org/view.php?id=CVE-2021-30884
The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history. El problema se resolvió con restricciones adicionales en la composición de CSS. Este problema se corrigió en tvOS versión 15, watchOS versión 8, iOS versión 15 y iPadOS versión 15. • http://www.openwall.com/lists/oss-security/2021/12/20/6 https://support.apple.com/en-us/HT212814 https://support.apple.com/en-us/HT212815 https://support.apple.com/en-us/HT212819 https://support.apple.com/kb/HT212869 https://access.redhat.com/security/cve/CVE-2021-30884 https://bugzilla.redhat.com/show_bug.cgi?id=2034378 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •