Vulnerability Name:

CVE-2018-4431 (CCN-153766)

Assigned:2018-12-05
Published:2018-12-05
Updated:2019-04-05
Summary:A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2018-4431

Source: XF
Type: UNKNOWN
apple-macos-cve20184431-info-disc(153766)

Source: CCN
Type: Apple security document HT209340
About the security content of iOS 12.1.1

Source: CCN
Type: Apple security document HT209341
About the security content of macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra

Source: CCN
Type: Apple security document HT209342
About the security content of tvOS 12.1.1

Source: CCN
Type: Apple security document HT209343
About the security content of watchOS 5.1.2

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT209340

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT209341

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT209342

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT209343

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.1.1)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.14.2)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 12.1.1)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 5.1.2)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_high_sierra:10.13.6:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_mojave:10.14.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:12.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple macos sierra 10.13.6
    apple macos mojave 10.14.1
    apple tvos 12.1