Vulnerability Name:

CVE-2020-27933 (CCN-199357)

Assigned:2020-07-15
Published:2020-07-15
Updated:2021-04-09
Summary:A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, iCloud for Windows 7.20, watchOS 6.2.8, tvOS 13.4.8, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing a maliciously crafted image may lead to arbitrary code execution.
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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-27933

Source: XF
Type: UNKNOWN
apple-macos-cve202027933-code-exec(199357)

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT211288

Source: CCN
Type: Apple security document HT211289
About the security content of macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT211289

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT211290

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT211291

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT211295

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apple:icloud:*:*:*:*:*:windows:*:* (Version < 7.20)
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.6)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.6)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version >= 10.15 and < 10.15.6)
  • OR cpe:/o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.4.8)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.2.8)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:6.2.7:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:13.4.7:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:13.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:13.5:*:*:*:*:*:*:*
  • OR cpe:/a:apple:icloud:7.19:*:*:*:*:windows:*:*

    • * Denotes that component is vulnerable
    BACK
    apple icloud *
    apple ipados *
    apple iphone os *
    apple mac os x *
    apple mac os x 10.15.6 -
    apple mac os x 10.15.6 supplemental_update
    apple tvos *
    apple watchos *
    apple macos catalina 10.15.5
    apple watchos 6.2.7
    apple tvos 13.4.7
    apple ipados 13.5
    apple ios 13.5
    apple icloud 7.19