CVE-2021-30858
Vulnerability from cvelistv5
Published
2021-08-24 18:49
Modified
2024-08-03 22:48
Severity ?
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
References
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/25Mailing List, Third Party Advisory
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/27Mailing List, Third Party Advisory
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/29Mailing List, Third Party Advisory
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/38Mailing List, Third Party Advisory
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/39Mailing List, Third Party Advisory
product-security@apple.comhttp://seclists.org/fulldisclosure/2021/Sep/50Mailing List, Third Party Advisory
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/09/20/1Mailing List
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/10/26/9Mailing List
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/10/27/1Mailing List
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/10/27/2Mailing List
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/10/27/4Mailing List
product-security@apple.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/Release Notes
product-security@apple.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/Release Notes
product-security@apple.comhttps://support.apple.com/en-us/HT212804Third Party Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212807Third Party Advisory
product-security@apple.comhttps://support.apple.com/kb/HT212824Third Party Advisory
product-security@apple.comhttps://www.debian.org/security/2021/dsa-4975Mailing List, Third Party Advisory
product-security@apple.comhttps://www.debian.org/security/2021/dsa-4976Mailing List, Third Party Advisory
Impacted products
ApplemacOS
AppleiOS
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-30858

Show details on NVD website

To clipboard 

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Este problema se ha solucionado en iOS 14.8 y iPadOS 14.8, macOS Big Sur 11.6. El procesamiento de contenido web malicioso puede conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario. Apple tiene conocimiento de un informe que indica que este problema puede haber sido explotado activamente.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":6.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"14.8\",\"matchCriteriaId\":\"6B243B4E-56A5-4950-A291-13EF0E402185\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"12.5.5\",\"matchCriteriaId\":\"5998D71C-A481-4F0C-AA06-B1FF0E6664A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"14.8\",\"matchCriteriaId\":\"478E12B4-50EB-4CB2-9C50-D8F08127FB12\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"11.6\",\"matchCriteriaId\":\"5F52D69C-8621-4E01-ABDE-8473A590BCB6\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}],\"references\":[{\"url\":\"http://seclists.org/fulldisclosure/2021/Sep/25\",\"source\":\"product-security@apple.com\",\"tags\":[\"Mailing 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  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.