CVE-2019-8506

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Metrics

• v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
• v2.0•HIGH•Score: 9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 8.06%• Percentile: 92%

Techniques & Countermeasures

• CWE-843•Access of Resource Using Incompatible Type ('Type Confusion')

  The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Affected Systems

• apple•icloud

  < 7.11

• apple•icloud for windows

  ≥ unspecified, < iCloud for Windows 7.11

• Unknown•iOS

  ≥ unspecified, < iOS 12.2

• apple•iphone_os

  < 12.2

• apple•itunes

  < 12.9.4

• apple•itunes for windows

  ≥ unspecified, < iTunes 12.9.4 for Windows

• apple•safari

  < 12.1 | ≥ unspecified, < Safari 12.1

• apple•tvos

  < 12.2 | ≥ unspecified, < tvOS 12.2

• apple•watchos

  < 5.2 | ≥ unspecified, < watchOS 5.2

• redhat•enterprise_linux_desktop

  7.0

• redhat•enterprise_linux_server

  7.0

• redhat•enterprise_linux_workstation

  7.0

References (7)

• https://support.apple.com/HT209599
• https://support.apple.com/HT209601
• https://support.apple.com/HT209603
• https://support.apple.com/HT209604
• https://support.apple.com/HT209605
• https://support.apple.com/HT209602
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8506