ID

VAR-202104-0181


CVE

CVE-2020-27943


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2020-017320

DESCRIPTION

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution. 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. Apple macOS is a set of dedicated operating systems developed by Apple Corporation for Mac computers. There is a security vulnerability in Apple macOS. Please keep an eye on CNNVD or manufacturer announcements. Apple watchOS could allow a remote malicious user to execute arbitrary code on the system, caused by an out-of-bounds write in the CoreAudio component. By persuading a victim to open a specially crafted audio file, an attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service. Alternatively, on your watch, select "My Watch > General > About". -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2020-12-14-1 iOS 14.3 and iPadOS 14.3 iOS 14.3 and iPadOS 14.3 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212003. App Store Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: An enterprise application installation prompt may display the wrong domain Description: A logic issue was addressed with improved state management. CVE-2020-29613: Ryan Pickren (ryanpickren.com) CoreAudio Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2020-27948: JunDong Xie of Ant Security Light-Year Lab FontParser Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing a maliciously crafted font may result in the disclosure of process memory Description: An information disclosure issue was addressed with improved state management. CVE-2020-27946: Mateusz Jurczyk of Google Project Zero FontParser Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: A memory corruption issue existed in the processing of font files. CVE-2020-27943: Mateusz Jurczyk of Google Project Zero CVE-2020-27944: Mateusz Jurczyk of Google Project Zero ImageIO Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing a maliciously crafted image may lead to heap corruption Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-29617: XingWei Lin of Ant Security Light-Year Lab CVE-2020-29619: XingWei Lin of Ant Security Light-Year Lab ImageIO Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-29618: XingWei Lin of Ant Security Light-Year Lab ImageIO Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) 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-2020-29611: Ivan Fratric of Google Project Zero Security Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Unauthorized code execution may lead to an authentication policy violation Description: This issue was addressed with improved checks. CVE-2020-27951: Apple WebRTC Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2020-15969: an anonymous researcher Installation note: This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/ iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device. The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device. To check that the iPhone, iPod touch, or iPad has been updated: * Navigate to Settings * Select General * Select About. The version after applying this update will be "iOS 14.3 and iPadOS 14.3". 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----- iQIzBAEBCAAdFiEEbURczHs1TP07VIfuZcsbuWJ6jjAFAl/YBhIACgkQZcsbuWJ6 jjA04Q/+IXkFUXAM2+3hUaOJqMziK6ICFLncPlf2oUMVpEd6ioff6mqjs7nu9piI yDcAmefcSqNd2pXxsNfhHMBAVPyrD4i0kGVgYq95U46rHezuNV33SEhyOPzVr0H4 4uwFd2KhedQvqyIBowRsc7JDITqvToK97oKufzoEUM8pCPeTeUYmYPuec5Gx8Q55 jkMWi8Km5LcW6I+OPEHZoh0121RFoRmTjVi91o9xYUH5C13PVrTsY15bLtLlVhM/ mPF22YY2c4JPig010kTFQn3btt63K2VDDCuYwytQhIh1zhqOu6Nd1I/Z0L2SxgXm ZFW0Z3Jt7KL8+CEFpVLcRCEHc/1oMbvg9LwKT5zP0oMgRWlGL+ikpJy0ZvnXl3u/ rxnik5nME+Ez/mKVVAqcD2pooPmhx/Rwo4dtdoMZrJOwFPMzuJ8BlGzmFHCrCiKu 22Rbe134LYa1wUKrTqTEpg/YdvDDwoH54vdVK3HniIeNJGaSjkh6PRhGYkTvTuje JeDAC4qUQLN8M2TsMN+18DrsFT6c3dfZmLm+gnYPBM7FYtu4tDfrjBMyf0Tu9xXp kit6ODbvY33k3oyqWIaK0icELt/qIhyj7C3shKSRXJsgqyS7qrAcfJWOLD12TVyO Q52KK16VlyH/EDwVILD2ntPTyXLb7NjTYIyrbM/7ROcuslHOJyU=YdmF -----END PGP SIGNATURE-----

Trust: 2.07

sources: NVD: CVE-2020-27943 // JVNDB: JVNDB-2020-017320 // VULHUB: VHN-372054 // VULMON: CVE-2020-27943 // PACKETSTORM: 160542 // PACKETSTORM: 160540 // PACKETSTORM: 160536

AFFECTED PRODUCTS

vendor:applemodel:iphone osscope:ltversion:14.3

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vendor:applemodel:tvosscope:ltversion:14.3

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vendor:applemodel:ipad osscope:ltversion:14.3

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vendor:applemodel:macosscope:ltversion:11.1.0

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vendor:applemodel:watchosscope:ltversion:7.2

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vendor:アップルmodel:macos big surscope: - version: -

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

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

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

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

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sources: JVNDB: JVNDB-2020-017320 // NVD: CVE-2020-27943

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-27943
value: HIGH

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NVD: CVE-2020-27943
value: HIGH

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CNNVD: CNNVD-202012-1108
value: HIGH

Trust: 0.6

VULHUB: VHN-372054
value: MEDIUM

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VULMON: CVE-2020-27943
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-27943
severity: MEDIUM
baseScore: 6.8
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
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-372054
severity: MEDIUM
baseScore: 6.8
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
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-27943
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2020-27943
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-372054 // VULMON: CVE-2020-27943 // JVNDB: JVNDB-2020-017320 // CNNVD: CNNVD-202012-1108 // NVD: CVE-2020-27943

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

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

Trust: 0.8

problemtype:CWE-119

Trust: 0.1

sources: VULHUB: VHN-372054 // JVNDB: JVNDB-2020-017320 // NVD: CVE-2020-27943

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202012-1108

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202012-1108

PATCH

title:HT212009 Apple  Security updateurl:https://support.apple.com/en-us/HT212003

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title:Apple macOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137472

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title:Apple: macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojaveurl:https://vulmon.com/vendoradvisory?qidtp=apple_security_advisories&qid=60a51a6d3f600c46241622f208f75bff

Trust: 0.1

sources: VULMON: CVE-2020-27943 // JVNDB: JVNDB-2020-017320 // CNNVD: CNNVD-202012-1108

EXTERNAL IDS

db:NVDid:CVE-2020-27943

Trust: 3.7

db:PACKETSTORMid:160536

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db:JVNid:JVNVU95288122

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db:JVNDBid:JVNDB-2020-017320

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db:PACKETSTORMid:161298

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db:AUSCERTid:ESB-2020.4396

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db:CNNVDid:CNNVD-202012-1108

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db:PACKETSTORMid:160540

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db:PACKETSTORMid:160542

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db:VULHUBid:VHN-372054

Trust: 0.1

db:VULMONid:CVE-2020-27943

Trust: 0.1

sources: VULHUB: VHN-372054 // VULMON: CVE-2020-27943 // JVNDB: JVNDB-2020-017320 // PACKETSTORM: 160542 // PACKETSTORM: 160540 // PACKETSTORM: 160536 // CNNVD: CNNVD-202012-1108 // NVD: CVE-2020-27943

REFERENCES

url:https://support.apple.com/en-us/ht212003

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url:https://support.apple.com/en-us/ht212005

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url:https://support.apple.com/en-us/ht212009

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url:https://support.apple.com/en-us/ht212011

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27943

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url:http://jvn.jp/vu/jvnvu95288122/index.html

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url:https://packetstormsecurity.com/files/160536/apple-security-advisory-2020-12-14-1.html

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url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-34108

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url:https://www.auscert.org.au/bulletins/esb-2020.4396/

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url:https://packetstormsecurity.com/files/161298/apple-coretext-libtype1scaler.dylib-buffer-overflow.html

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url:https://nvd.nist.gov/vuln/detail/cve-2020-15969

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27948

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url:https://www.apple.com/support/security/pgp/

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27946

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url:https://nvd.nist.gov/vuln/detail/cve-2020-29618

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url:https://nvd.nist.gov/vuln/detail/cve-2020-29617

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url:https://nvd.nist.gov/vuln/detail/cve-2020-29611

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url:https://nvd.nist.gov/vuln/detail/cve-2020-29619

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27944

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27951

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url:https://cwe.mitre.org/data/definitions/119.html

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url:https://nvd.nist.gov

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url:https://exchange.xforce.ibmcloud.com/vulnerabilities/193044

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url:https://support.apple.com/ht212005.

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url:https://support.apple.com/ht212009.

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url:https://support.apple.com/kb/ht204641

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url:https://www.apple.com/itunes/

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url:https://support.apple.com/ht212003.

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url:https://nvd.nist.gov/vuln/detail/cve-2020-29613

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sources: VULHUB: VHN-372054 // VULMON: CVE-2020-27943 // JVNDB: JVNDB-2020-017320 // PACKETSTORM: 160542 // PACKETSTORM: 160540 // PACKETSTORM: 160536 // CNNVD: CNNVD-202012-1108 // NVD: CVE-2020-27943

CREDITS

Google Security Research

Trust: 0.6

sources: CNNVD: CNNVD-202012-1108

SOURCES

db:VULHUBid:VHN-372054
db:VULMONid:CVE-2020-27943
db:JVNDBid:JVNDB-2020-017320
db:PACKETSTORMid:160542
db:PACKETSTORMid:160540
db:PACKETSTORMid:160536
db:CNNVDid:CNNVD-202012-1108
db:NVDid:CVE-2020-27943

LAST UPDATE DATE

2024-08-14T13:09:24.394000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-372054date:2022-06-28T00:00:00
db:VULMONid:CVE-2020-27943date:2021-04-07T00:00:00
db:JVNDBid:JVNDB-2020-017320date:2022-09-07T06:54:00
db:CNNVDid:CNNVD-202012-1108date:2021-04-08T00:00:00
db:NVDid:CVE-2020-27943date:2022-06-28T14:11:45.273

SOURCES RELEASE DATE

db:VULHUBid:VHN-372054date:2021-04-02T00:00:00
db:VULMONid:CVE-2020-27943date:2021-04-02T00:00:00
db:JVNDBid:JVNDB-2020-017320date:2022-09-07T00:00:00
db:PACKETSTORMid:160542date:2020-12-16T18:02:43
db:PACKETSTORMid:160540date:2020-12-16T18:00:54
db:PACKETSTORMid:160536date:2020-12-16T17:56:45
db:CNNVDid:CNNVD-202012-1108date:2020-12-15T00:00:00
db:NVDid:CVE-2020-27943date:2021-04-02T18:15:16.513