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AppleCVE-2021-1744

HistoryApr 02, 2021 - 6:15 p.m.

CVE-2021-1744

2021-04-0218:15:19

CWE-787

apple

web.nvd.nist.gov

cve-2021-1744

out-of-bounds write

input validation

security update

macos

watchos

tvos

ios

ipados

arbitrary code execution

nvd

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON

An out-of-bounds write 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, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected configurations

Nvd

Vulners

Node

appleipadosRange<14.4

appleiphone_osRange<14.4

applemac_os_xRange10.15–10.15.7

applemac_os_xMatch10.15.7-

applemac_os_xMatch10.15.7security_update_2020-001

applemac_os_xMatch10.15.7supplemental_update

applemacosRange11.0.1–11.2

appletvosRange<14.4

applewatchosRange<7.3

VendorProductVersionCPE
appleipados*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	ipados	*	cpe:2.3:o:apple:ipados::::::::
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	mac_os_x	*	cpe:2.3:o:apple:mac_os_x::::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	tvos	*	cpe:2.3:o:apple:tvos::::::::
apple	watchos	*	cpe:2.3:o:apple:watchos::::::::

CNA Affected

[
  {
    "product": "iOS and iPadOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "7.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

support.apple.com/en-us/HT212146

support.apple.com/en-us/HT212147

support.apple.com/en-us/HT212148

support.apple.com/en-us/HT212149

Social References

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON

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