Vulnerability Name:

CVE-2019-8829 (CCN-172415)

Assigned:2019-11-06
Published:2019-11-06
Updated:2021-07-21
Summary:A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6.1, tvOS 13.2, iOS 13.2 and iPadOS 13.2. 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)
7.0 High (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
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: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-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-8829

Source: CCN
Type: Google Security Research Issue 1921
XNU: missing locking in checkdirs_callback() enables race with fchdir_common()

Source: XF
Type: UNKNOWN
apple-macos-cve20198829-code-exec(172415)

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210721

Source: CCN
Type: Apple security document HT210722
About the security content of macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210722

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210723

Source: CCN
Type: Apple security document HT210724
About the security content of watchOS 6.1

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210724

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.1)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:6.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple macos catalina 10.15
    apple watchos 6.1