CVE-2021-30919: CVE-2021-30919

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I. Basic Information for CVE-2021-30919

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Description

An out-of-bounds write was addressed with improved input validation. 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, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

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 tvOS 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple 多款产品存在缓冲区错误漏洞，攻击者可通过恶意编写的PDF导致任意代码执行。该漏洞在以下产品和版本中被修复：iOS 15.1和iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1和iPadOS 14.8.1, tvOS 15.1, watchOS 8.1，安全更新2012.1 -007 Catalina, macOS大Sur 11.6.1。

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
Apple	iOS and iPadOS	unspecified ~ 15.1	-
Apple	iOS and iPadOS	unspecified ~ 14.8	-
Apple	macOS	unspecified ~ 12.0	-
Apple	macOS	unspecified ~ 2021	-
Apple	macOS	unspecified ~ 11.6	-
Apple	macOS	unspecified ~ 8.1	-
Apple	macOS	unspecified ~ 15.1	-

II. Public POCs for CVE-2021-30919

#	POC Description	Source Link	Shenlong Link

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-30919

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https://support.apple.com/en-us/HT212872x_refsource_MISC
https://support.apple.com/en-us/HT212869x_refsource_MISC
https://support.apple.com/en-us/HT212868x_refsource_MISC
https://support.apple.com/en-us/HT212871x_refsource_MISC
https://support.apple.com/en-us/HT212867x_refsource_MISC
https://support.apple.com/en-us/HT212876x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-22-357/x_refsource_MISC
https://support.apple.com/en-us/HT212874x_refsource_MISC
https://nvd.nist.gov/vuln/detail/CVE-2021-30919

IV. Related Vulnerabilities

Same product: iOS and iPadOS

Same vendor: Apple

V. Comments for CVE-2021-30919

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I. Basic Information for CVE-2021-30919

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-2021-30919

III. Intelligence Information for CVE-2021-30919

IV. Related Vulnerabilities

V. Comments for CVE-2021-30919

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