CVE-2019-8559

Description

Multiple memory corruption issues were 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•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.82%• Percentile: 74%

Techniques & Countermeasures

• CWE-787•Out-of-bounds Write

  The product writes data past the end, or before the beginning, of the intended buffer.

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

References (6)

• 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