Vulnerability Name:

CVE-2019-8593 (CCN-161447)

Assigned:2019-05-13
Published:2019-05-13
Updated:2020-08-24
Summary:A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. An 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-787
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-8593

Source: XF
Type: UNKNOWN
apple-ios-cve20198593-priv-esc(161447)

Source: CCN
Type: Apple security document HT210118
About the security content of iOS 12.3

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210118

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210120

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210122

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.3)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 12.3)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 5.2.1)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:12.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple tvos *
    apple watchos *
    apple iphone os 12.2