CVE-2019-8503

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious website may be able to execute scripts in the context of another website.

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: 0.86%• Percentile: 75%

Techniques & Countermeasures

• CWE-20•Improper Input Validation

  The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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

References (5)

• 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