CVE-2021-30858: CVE-2021-30858

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I. Basic Information for CVE-2021-30858

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Description

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.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Title

Apple macOS Big Sur 资源管理错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。 Apple macOS Big Sur中存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Apple	macOS	unspecified ~ 11.6	-
Apple	iOS	unspecified ~ 14.8	-

II. Public POCs for CVE-2021-30858

#	POC Description	Source Link	Shenlong Link
1	Testing CVE-2021-30858 Rev3	https://github.com/kmeps4/CVEREV3	POC Details
2	My take on CVE-2021-30858 for ps4 8.xx	https://github.com/Jeromeyoung/ps4_8.00_vuln_poc	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-30858

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https://support.apple.com/en-us/HT212804x_refsource_MISC
https://support.apple.com/en-us/HT212807x_refsource_MISC
https://support.apple.com/kb/HT212824x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4976vendor-advisoryx_refsource_DEBIAN
https://www.debian.org/security/2021/dsa-4975vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/vendor-advisoryx_refsource_FEDORA
http://seclists.org/fulldisclosure/2021/Sep/50mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/29mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/27mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/25mailing-listx_refsource_FULLDISC
http://www.openwall.com/lists/oss-security/2021/10/26/9mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/20/1mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/10/27/4mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/10/27/1mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/10/27/2mailing-listx_refsource_MLIST
http://seclists.org/fulldisclosure/2021/Sep/39mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/38mailing-listx_refsource_FULLDISC
https://nvd.nist.gov/vuln/detail/CVE-2021-30858

IV. Related Vulnerabilities

Same product: macOS

Same vendor: Apple

V. Comments for CVE-2021-30858

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I. Basic Information for CVE-2021-30858

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-30858

III. Intelligence Information for CVE-2021-30858

IV. Related Vulnerabilities

V. Comments for CVE-2021-30858

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