CVE-2021-1789
CVE-2021-1789
In short
A flaw in how Apple devices handle certain web content types allows attackers to trick the system into misinterpreting data, potentially letting malicious websites run unauthorized code on your device.
Technical detail
Type confusion vulnerability in web content processing allows an attacker to craft malicious web content that causes incorrect type interpretation, bypassing memory safety mechanisms and achieving arbitrary code execution with user interaction (viewing crafted webpage).
Summary generated and translated by AI from the official description.
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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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/202104-03https://support.apple.com/en-us/HT212146https://support.apple.com/en-us/HT212147https://support.apple.com/en-us/HT212148https://support.apple.com/en-us/HT212149https://support.apple.com/en-us/HT212152https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1789