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CVSS: 7.8EPSS: 0%CPEs: 13EXPL: 0

CVE-2020-27918 – webkitgtk: Use-after-free leading to arbitrary code execution

https://notcve.org/view.php?id=CVE-2020-27918

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de uso de la memoria previamente liberada, con una administración de la memoria mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 14.2 y iPadOS versión 14.2, iCloud para Windows versión 11.5, Safari versión 14.0.1, tvOS versión 14.2, iTunes versión 12.11 para Windows. • http://seclists.org/fulldisclosure/2020/Dec/32 http://www.openwall.com/lists/oss-security/2021/03/22/1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EQ3U3VBSOJB46WCO66TEWE5OAXLTU3YW https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU https://security.gentoo.org/glsa/202104-03 https:// • CWE-416: Use After Free •

CVSS: 9.3EPSS: 0%CPEs: 7EXPL: 0

CVE-2020-27911

https://notcve.org/view.php?id=CVE-2020-27911

An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution. Se abordó un desbordamiento de enteros con una comprobación de entrada mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 14.2 y iPadOS versión 14.2, iCloud para Windows versión 11.5, tvOS versión 14.2, iTunes versión 12.11 para Windows. • http://seclists.org/fulldisclosure/2020/Dec/26 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211933 https://support.apple.com/en-us/HT211935 https://support.apple.com/kb/HT212011 • CWE-190: Integer Overflow or Wraparound •

CVSS: 9.3EPSS: 0%CPEs: 7EXPL: 0

CVE-2020-27912

https://notcve.org/view.php?id=CVE-2020-27912

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution. Se abordó una escritura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 14.2 y iPadOS versión 14.2, iCloud para Windows versión 11.5, tvOS versión 14.2, iTunes versión 12.11 para Windows. • http://seclists.org/fulldisclosure/2020/Dec/26 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211930 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211933 https://support.apple.com/en-us/HT211935 https://support.apple.com/kb/HT212011 • CWE-787: Out-of-bounds Write •

CVSS: 4.3EPSS: 0%CPEs: 8EXPL: 0

CVE-2019-8834

https://notcve.org/view.php?id=CVE-2019-8834

A configuration issue was addressed with additional restrictions. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains previously not in the HSTS preload list. Se abordó un problema de configuración con restricciones adicionales. Este problema se corrigió en tvOS versión 13.3, watchOS versión 6.1.1, iCloud para Windows versión 10.9, macOS Catalina versión 10.15.2, Security Update 2019-002 Mojave y Security Update 2019-007 High Sierra, iOS versión 13.3 y iPadOS versión 13.3, iTunes versión 12.10.3 para Windows, iCloud para Windows versión 7.16. • https://support.apple.com/en-us/HT210785 https://support.apple.com/en-us/HT210788 https://support.apple.com/en-us/HT210789 https://support.apple.com/en-us/HT210790 https://support.apple.com/en-us/HT210793 https://support.apple.com/en-us/HT210794 https://support.apple.com/en-us/HT210795 •

CVSS: 4.3EPSS: 0%CPEs: 7EXPL: 0

CVE-2019-8827

https://notcve.org/view.php?id=CVE-2019-8827

The HTTP referrer header may be used to leak browsing history. The issue was resolved by downgrading all third party referrers to their origin. This issue is fixed in Safari 13.0.3, iTunes 12.10.2 for Windows, iCloud for Windows 10.9.2, tvOS 13.2, iOS 13.2 and iPadOS 13.2, iCloud for Windows 7.15. Visiting a maliciously crafted website may reveal the sites a user has visited. El encabezado referrer HTTP puede ser usado para filtrar el historial de navegación. • https://support.apple.com/en-us/HT210721 https://support.apple.com/en-us/HT210723 https://support.apple.com/en-us/HT210725 https://support.apple.com/en-us/HT210726 https://support.apple.com/en-us/HT210728 https://support.apple.com/en-us/HT210947 •