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ID

VAR-202109-0370


CVE

CVE-2021-1882


TITLE

plural  Apple  Out-of-bounds write vulnerabilities in the product

Trust: 0.8

sources: JVNDB: JVNDB-2021-013567

DESCRIPTION

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges. plural Apple The product contains a vulnerability related to out-of-bounds writes.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Apple macOS is a set of dedicated operating systems developed by Apple Corporation for Mac computers. There is a security vulnerability in macOS that stems from a boundary error inside Foundation components. The following products and versions are affected: Macos: 10.15 19A583, 10.15 19A602, 10.15 19A603, 10.15.1 19B88, 10.15.2 19C57, 10.15.3 19d76, 10.15.4 19E266, 10.15.4 19E287, 10.15.5 19F96, 10.15. 5 19F101, 10.15.6 19G73, 10.15.6 19G2021, 10.15.7 19H2, 10.15.7 19H4, 10.15.7 19H15, 10.15.7 19H114, 10.15.7 19H512, 10.15.7 19H524, 11.0.0.1 20B299 , 11.0.1 20B50, 11.1 20C69, 11.2 20D64, 11.2.1 20D74, 11.2.1 20D75, 11.2.2 20D80, 11.2.3 20D91. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-04-26-6 tvOS 14.5 tvOS 14.5 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212323. AppleMobileFileIntegrity Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to bypass Privacy preferences Description: An issue in code signature validation was addressed with improved checks. CVE-2021-1849: Siguza Assets Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to create or modify privileged files Description: A logic issue was addressed with improved restrictions. CVE-2021-1836: an anonymous researcher Audio Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to read restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2021-1808: JunDong Xie of Ant Security Light-Year Lab CFNetwork Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may disclose sensitive user information Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1857: an anonymous researcher CoreAudio Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted audio file may disclose restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1846: JunDong Xie of Ant Security Light-Year Lab CoreAudio Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to read restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2021-1809: JunDong Xie of Ant Security Light-Year Lab CoreText Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted font may result in the disclosure of process memory Description: A logic issue was addressed with improved state management. CVE-2021-1811: Xingwei Lin of Ant Security Light-Year Lab FontParser Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1881: an anonymous researcher, Xingwei Lin of Ant Security Light-Year Lab, Mickey Jin of Trend Micro, and Hou JingYi (@hjy79425575) of Qihoo 360 Foundation Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to gain elevated privileges Description: A memory corruption issue was addressed with improved validation. CVE-2021-1882: Gabe Kirkpatrick (@gabe_k) Foundation Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to gain root privileges Description: A validation issue was addressed with improved logic. CVE-2021-1813: Cees Elzinga Heimdal Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted server messages may lead to heap corruption Description: This issue was addressed with improved checks. CVE-2021-1883: Gabe Kirkpatrick (@gabe_k) Heimdal Available for: Apple TV 4K and Apple TV HD Impact: A remote attacker may be able to cause a denial of service Description: A race condition was addressed with improved locking. CVE-2021-1884: Gabe Kirkpatrick (@gabe_k) ImageIO Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1885: CFF of Topsec Alpha Team ImageIO Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30653: Ye Zhang of Baidu Security CVE-2021-1843: Ye Zhang of Baidu Security ImageIO Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2021-1858: Mickey Jin of Trend Micro iTunes Store Available for: Apple TV 4K and Apple TV HD Impact: An attacker with JavaScript execution may be able to execute arbitrary code Description: A use after free issue was addressed with improved memory management. CVE-2021-1864: CodeColorist of Ant-Financial LightYear Labs Kernel Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to disclose kernel memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1860: @0xalsr Kernel Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2021-1816: Tielei Wang of Pangu Lab Kernel Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A logic issue was addressed with improved state management. CVE-2021-1851: @0xalsr Kernel Available for: Apple TV 4K and Apple TV HD Impact: Copied files may not have the expected file permissions Description: The issue was addressed with improved permissions logic. CVE-2021-1832: an anonymous researcher Kernel Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to disclose kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30660: Alex Plaskett libxpc Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to gain root privileges Description: A race condition was addressed with additional validation. CVE-2021-30652: James Hutchins libxslt Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted file may lead to heap corruption Description: A double free issue was addressed with improved memory management. CVE-2021-1875: Found by OSS-Fuzz MobileInstallation Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to modify protected parts of the file system Description: A logic issue was addressed with improved restrictions. CVE-2021-1822: Bruno Virlet of The Grizzly Labs Preferences Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to modify protected parts of the file system Description: A parsing issue in the handling of directory paths was addressed with improved path validation. CVE-2021-1815: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) CVE-2021-1739: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) CVE-2021-1740: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) Tailspin Available for: Apple TV 4K and Apple TV HD Impact: A local attacker may be able to elevate their privileges Description: A logic issue was addressed with improved state management. CVE-2021-1868: Tim Michaud of Zoom Communications WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved validation. CVE-2021-1844: Clément Lecigne of Google’s Threat Analysis Group, Alison Huffman of Microsoft Browser Vulnerability Research WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to a cross site scripting attack Description: An input validation issue was addressed with improved input validation. CVE-2021-1825: Alex Camboe of Aon’s Cyber Solutions WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. CVE-2021-1817: an anonymous researcher WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue was addressed with improved restrictions. CVE-2021-1826: an anonymous researcher WebKit Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may result in the disclosure of process memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1820: an anonymous researcher WebKit Storage Available for: Apple TV 4K and Apple TV HD Impact: 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. CVE-2021-30661: yangkang(@dnpushme) of 360 ATA Installation note: Apple TV will periodically check for software updates. Alternatively, you may manually check for software updates by selecting "Settings -> System -> Software Update -> Update Software." To check the current version of software, select "Settings -> General -> About." Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbURczHs1TP07VIfuZcsbuWJ6jjAFAmCHQEkACgkQZcsbuWJ6 jjBQqhAAhT6igO2sBsZW1+ecMiDmF9RSncVFfF1tXYcbwY0VdGgmoEYFSegudN1V k3tdJEIRwT25R7K9359Mz5z/uHHBhZrABuv0tRiTfHobYTxoA/52Hx7WzqioW7EU lxJsEkBaRqOkuM5PjMa1he6KzlxDpIXmhgz0uZknO135S7JPUcTasRnDuzzk92WP b8Y62dlIoQ7w38g4xFA7Jg52GnTpYXxacA591ipaqW9Q3AaTCUfQSoRVRuGLZ2rn 4AacIgGnSgXPOCGURkrAxV9yPTxDC8Ug+ctV1pFBc0YKQZ/nugdQkMKxe2mzKKAd 4PaurX3+m5YwKJf5Ma+UUDZVPsSK4exPyKMsrKu0p+pfoeumPuAJydMCWJrELR1p xvTTxljkMs++snOAiNP9lzKJe6kuU1aqLmzLHqspP2QC8YXJH3VWG9fqcagVSb0R zqvXI4nicqYJc635OANJy24QS5yzvOovdeJYCiJQaWc7RauLTavOetYZ34kWjjYr 2X1Dj0UdeRK5LCrDMFvlIx6jCQpFbKwfg9D7+1IiPI6bNWNdVFCPsrd59iGdBpj8 NvAGs6afDOo68EK1LLRYcR0EigkcCFZ84oqY40nlfdc9ZN1xeZ3plfbpFDywv4s8 nzTZlUAupV+ZCnrq0VbzskIE67Li6lAR+Bm7LmK3aRvMZaxfcn0= =iii4 -----END PGP SIGNATURE-----

Trust: 2.34

sources: NVD: CVE-2021-1882 // JVNDB: JVNDB-2021-013567 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-376542 // PACKETSTORM: 162369

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:eqversion:10.15.6

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vendor:applemodel:ipadosscope:ltversion:14.5

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vendor:applemodel:watchosscope:ltversion:7.4

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vendor:applemodel:tvosscope:ltversion:14.5

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vendor:applemodel:macosscope:ltversion:11.3

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vendor:applemodel:mac os xscope:gteversion:10.15

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vendor:applemodel:mac os xscope:lteversion:10.15.5

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vendor:applemodel:mac os xscope:eqversion:10.15.7

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vendor:applemodel:macosscope:gteversion:11.0

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vendor:applemodel:iphone osscope:ltversion:14.5

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vendor:アップルmodel:apple mac os xscope: - version: -

Trust: 0.8

vendor:アップルmodel:tvosscope: - version: -

Trust: 0.8

vendor:アップルmodel:ipadosscope: - version: -

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vendor:アップルmodel:iosscope: - version: -

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vendor:アップルmodel:watchosscope: - version: -

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vendor:アップルmodel:macosscope: - version: -

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sources: JVNDB: JVNDB-2021-013567 // NVD: CVE-2021-1882

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1882
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-1882
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202104-1953
value: HIGH

Trust: 0.6

VULHUB: VHN-376542
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-1882
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-376542
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-1882
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-1882
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-376542 // JVNDB: JVNDB-2021-013567 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-1953 // NVD: CVE-2021-1882

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-376542 // JVNDB: JVNDB-2021-013567 // NVD: CVE-2021-1882

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

EXPLOIT AVAILABILITY

sources:
            
            
            VULHUB: VHN-376542

PATCH
title:HT212325 Apple  Security updateurl:https://support.apple.com/en-us/HT212317
Trust: 0.8
title:Apple macOS Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148630
Trust: 0.6
title:Apple: macOS Big Sur 11.3url:https://vulmon.com/vendoradvisory?qidtp=apple_security_advisories&qid=c631c09ebe15d0799205eda727cdfeb3
Trust: 0.1
title:pocsurl:https://github.com/gabe-k/pocs 
Trust: 0.1
sources:
            
            
            VULMON: CVE-2021-1882 // 
            
            
            
            JVNDB: JVNDB-2021-013567 // 
            
            
            
            CNNVD: CNNVD-202104-1953

EXTERNAL IDS
db:NVDid:CVE-2021-1882
Trust: 3.5
db:PACKETSTORMid:162369
Trust: 0.8
db:JVNDBid:JVNDB-2021-013567
Trust: 0.8
db:CS-HELPid:SB2021041363
Trust: 0.6
db:CNNVDid:CNNVD-202104-975
Trust: 0.6
db:AUSCERTid:ESB-2021.1408.2
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db:CS-HELPid:SB2021042704
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db:CNNVDid:CNNVD-202104-1953
Trust: 0.6
db:VULHUBid:VHN-376542
Trust: 0.1
db:VULMONid:CVE-2021-1882
Trust: 0.1
sources:
            
            
            VULHUB: VHN-376542 // 
            
            
            
            VULMON: CVE-2021-1882 // 
            
            
            
            JVNDB: JVNDB-2021-013567 // 
            
            
            
            PACKETSTORM: 162369 // 
            
            
            
            CNNVD: CNNVD-202104-975 // 
            
            
            
            CNNVD: CNNVD-202104-1953 // 
            
            
            
            NVD: CVE-2021-1882

REFERENCES
url:https://support.apple.com/en-us/ht212317
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url:https://support.apple.com/en-us/ht212323
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url:https://support.apple.com/en-us/ht212324
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url:https://support.apple.com/en-us/ht212325
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url:https://support.apple.com/en-us/ht212326
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1882
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url:https://www.cybersecurity-help.cz/vdb/sb2021041363
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url:https://www.auscert.org.au/bulletins/esb-2021.1408.2
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url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-35171
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url:https://www.cybersecurity-help.cz/vdb/sb2021042704
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url:https://packetstormsecurity.com/files/162369/apple-security-advisory-2021-04-26-6.html
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url:https://github.com/gabe-k/pocs
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url:https://support.apple.com/kb/ht212325
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1844
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1860
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url:https://support.apple.com/kb/ht201222
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1857
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1813
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1864
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1849
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1820
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1739
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1815
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1851
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1809
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1875
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1858
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1817
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1846
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1843
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1825
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url:https://www.apple.com/support/security/pgp/
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1811
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1826
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1832
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1881
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1816
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1822
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url:https://support.apple.com/ht212323.
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1836
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1740
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1808
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url:https://nvd.nist.gov/vuln/detail/cve-2021-1868
Trust: 0.1
sources:
            
            
            VULHUB: VHN-376542 // 
            
            
            
            VULMON: CVE-2021-1882 // 
            
            
            
            JVNDB: JVNDB-2021-013567 // 
            
            
            
            PACKETSTORM: 162369 // 
            
            
            
            CNNVD: CNNVD-202104-975 // 
            
            
            
            CNNVD: CNNVD-202104-1953 // 
            
            
            
            NVD: CVE-2021-1882

CREDITS
Apple
Trust: 0.7
sources:
            
            
            PACKETSTORM: 162369 // 
            
            
            
            CNNVD: CNNVD-202104-1953

SOURCES
db:VULHUBid:VHN-376542
db:VULMONid:CVE-2021-1882
db:JVNDBid:JVNDB-2021-013567
db:PACKETSTORMid:162369
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202104-1953
db:NVDid:CVE-2021-1882

LAST UPDATE DATE
2024-08-14T12:16:00.780000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-376542date:2021-09-20T00:00:00
db:JVNDBid:JVNDB-2021-013567date:2022-09-16T01:54:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202104-1953date:2021-09-09T00:00:00
db:NVDid:CVE-2021-1882date:2021-09-20T18:04:33.287

SOURCES RELEASE DATE
db:VULHUBid:VHN-376542date:2021-09-08T00:00:00
db:JVNDBid:JVNDB-2021-013567date:2022-09-16T00:00:00
db:PACKETSTORMid:162369date:2021-04-28T15:10:17
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202104-1953date:2021-04-27T00:00:00
db:NVDid:CVE-2021-1882date:2021-09-08T15:15:12.457