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AppleCVE-2020-27936

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

CVE-2020-27936

2021-04-0218:15:16

CWE-125

apple

web.nvd.nist.gov

cve-2020-27936

out-of-bounds read

kernel memory disclosure

input validation

macos

security update

system termination

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

Percentile

5.1%

JSON

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

Affected configurations

Nvd

Vulners

Node

applemac_os_xRange<11.1.0

VendorProductVersionCPE
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	mac_os_x	*	cpe:2.3:o:apple:mac_os_x::::::::

CNA Affected

[
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

support.apple.com/en-us/HT212011

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

Percentile

5.1%

JSON

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