Vulnerability Name:

CVE-2019-8718 (CCN-171266)

Assigned:2019-10-29
Published:2019-10-29
Updated:2021-07-21
Summary:A memory corruption issue was addressed with improved memory handling. This issue is fixed in watchOS 6, iOS 13, 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: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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/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): None
User Interaction (UI): None
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
7.2 High (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-8718

Source: XF
Type: UNKNOWN
apple-ios-cve20198718-code-exec(171266)

Source: CCN
Type: Packet Storm Security [11-11-2019]
iOS IOUSBDeviceFamily 12.4.1 Heap Corruption Proof Of Concept

Source: CCN
Type: Apple security document HT210606
About the security content of iOS 13

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT210604

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT210606

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT210607

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [11-11-2019]

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.0)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.0)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:11.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:12.4.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple tvos *
    apple watchos *
    apple ios 11.3
    apple ios 12.4.1