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[email protected]CVE-2021-30759

HistorySep 08, 2021 - 2:15 p.m.

CVE-2021-30759

2021-09-0814:15:10

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-30759

stack overflow

input validation

ios

macos

watchos

tvos

security update

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

51.1%

JSON

A stack overflow was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

Affected configurations

Vulners

NVD

Node

appleiphone_osRange<14.7

applemacosRange<11.5

applemacosRange<14.7

applemacosRange<7.6

VendorProductVersionCPE
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::

CNA Affected

[
  {
    "product": "Security Update - Catalina",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "2021",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "iOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.7",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "2021",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.7",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "7.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]