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AppleCVE-2020-9897

HistoryOct 28, 2021 - 7:15 p.m.

CVE-2020-9897

2021-10-2819:15:08

CWE-787

apple

web.nvd.nist.gov

cve-2020-9897

out-of-bounds write

input validation

ios

ipados

macos big sur

pdf

arbitrary code execution

nvd

CVSS2

6.8

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

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

7.7

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

Affected configurations

Nvd

Vulners

Node

appleipadosRange<14.2

appleiphone_osRange<14.2

applemacosRange<11.0.1

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

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

CNA Affected

[
  {
    "product": "iOS and iPadOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

support.apple.com/en-us/HT211929

support.apple.com/en-us/HT211931

CVSS2

6.8

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

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

7.7

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

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