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ID

VAR-202104-0613


CVE

CVE-2021-1790


TITLE

Apple macOS Buffer error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202102-076

DESCRIPTION

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted font may lead to arbitrary code execution. Apple macOS is a set of dedicated operating systems developed by Apple Corporation for Mac computers. There is a security vulnerability in Apple macOS. The vulnerability originates from the boundary condition when handling font files in the FontParser component in macOS. A remote attacker could create a specially crafted file or web page that tricks a victim into opening the file, triggering an out-of-bounds read error and reading the contents of memory on the system. Vulnerabilities exist in the following products or versions: macOS 10.15, macOS 10.15 SU1, macOS 10.15.1, macOS 10.15.2, macOS 10.15.3, macOS 10.15.4, macOS 10.15.4 SU1, macOS 10.15.5, macOS 11.55.5 SU1 , macOS 15.65.6, macOS 10.15.6 SU1, macOS 10.15.7, 10.15.7 SU1, macOS 11.0, macOS 11.0.1, macOS 11.1

Trust: 1.08

sources: NVD: CVE-2021-1790 // VULHUB: VHN-376450 // VULMON: CVE-2021-1790

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:gteversion:10.15

Trust: 1.0

vendor:applemodel:mac os xscope:eqversion:10.15.7

Trust: 1.0

vendor:applemodel:macosscope:ltversion:11.2

Trust: 1.0

vendor:applemodel:macosscope:gteversion:11.0

Trust: 1.0

vendor:applemodel:mac os xscope:ltversion:10.15.7

Trust: 1.0

sources: NVD: CVE-2021-1790

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1790
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202102-076
value: HIGH

Trust: 0.6

VULHUB: VHN-376450
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-1790
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: 1.0

VULHUB: VHN-376450
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-2021-1790
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

sources: VULHUB: VHN-376450 // CNNVD: CNNVD-202102-076 // NVD: CVE-2021-1790

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.1

sources: VULHUB: VHN-376450 // NVD: CVE-2021-1790

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202102-076

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202102-076

PATCH

title:Apple macOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=140288

Trust: 0.6

sources: CNNVD: CNNVD-202102-076

EXTERNAL IDS

db:NVDid:CVE-2021-1790

Trust: 1.8

db:AUSCERTid:ESB-2021.0349

Trust: 0.6

db:CNNVDid:CNNVD-202102-076

Trust: 0.6

db:VULHUBid:VHN-376450

Trust: 0.1

db:VULMONid:CVE-2021-1790

Trust: 0.1

sources: VULHUB: VHN-376450 // VULMON: CVE-2021-1790 // CNNVD: CNNVD-202102-076 // NVD: CVE-2021-1790

REFERENCES

url:https://support.apple.com/en-us/ht212147

Trust: 1.7

url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-34452

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.0349/

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-1790

Trust: 0.6

url:http://seclists.org/fulldisclosure/2021/feb/14

Trust: 0.1

sources: VULHUB: VHN-376450 // VULMON: CVE-2021-1790 // CNNVD: CNNVD-202102-076 // NVD: CVE-2021-1790

SOURCES

db:VULHUBid:VHN-376450
db:VULMONid:CVE-2021-1790
db:CNNVDid:CNNVD-202102-076
db:NVDid:CVE-2021-1790

LAST UPDATE DATE

2024-11-23T21:31:04+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-376450date:2021-04-12T00:00:00
db:VULMONid:CVE-2021-1790date:2021-04-12T00:00:00
db:CNNVDid:CNNVD-202102-076date:2021-04-13T00:00:00
db:NVDid:CVE-2021-1790date:2024-11-21T05:45:07.223

SOURCES RELEASE DATE

db:VULHUBid:VHN-376450date:2021-04-02T00:00:00
db:VULMONid:CVE-2021-1790date:2021-04-02T00:00:00
db:CNNVDid:CNNVD-202102-076date:2021-02-02T00:00:00
db:NVDid:CVE-2021-1790date:2021-04-02T19:15:18.990