Vulnerability Name:

CVE-2020-9965 (CCN-191608)

Assigned:2020-11-12
Published:2020-11-12
Updated:2021-03-11
Summary:An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-9965

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1

Source: XF
Type: UNKNOWN
apple-macos-cve20209965-priv-esc(191608)

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211843

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211844

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211850

Source: CCN
Type: Apple security document HT211931
About the security content of macOS Big Sur 11.0.1

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211931

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 11.0.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 7.0)

  • Configuration CCN 1:
  • cpe:/o:apple:macos_big_sur:11.0.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple macos *
    apple tvos *
    apple watchos *
    apple macos big sur 11.0.0