Vulnerability Name:

CVE-2019-8717 (CCN-168543)

Assigned:2019-10-07
Published:2019-10-07
Updated:2022-01-01
Summary:A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15, tvOS 13. 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:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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): 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)
7.0 High (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:P/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:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
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-787
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-8717

Source: XF
Type: UNKNOWN
apple-macos-cve20198717-priv-esc(168543)

Source: CCN
Type: Packet Storm Security [10-07-2019]
XNU Data Race Remote Double-Free

Source: CCN
Type: Apple security document HT210634
About the security content of macOS Catalina 10.15

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/HT210634

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://support.apple.com/kb/HT210722

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [10-09-2019

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13)

    • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple tvos *