Vulnerability Name:

CVE-2018-4452 (CCN-156055)

Assigned:2018-01-02
Published:2019-01-22
Updated:2020-10-30
Summary:A memory consumption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra. A malicious application may be able to execute arbitrary code with system 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-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-4452

Source: XF
Type: UNKNOWN
apple-macos-cve20184452-priv-esc(156055)

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: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT209341

Source: CCN
Type: Apple security document HT209446
About the security content of macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT209446

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version >= 10.12.6 and < 10.14.3)

    • Configuration 2:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version >= 10.14.1 and < 10.14.2)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_sierra:10.12.6:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_high_sierra:10.13.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple mac os x *
    apple macos sierra 10.12.6
    apple macos high sierra 10.13.6