CVE-2020-9803

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. 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: 0.26%• Percentile: 49%

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.

• 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

  < 7.19 | ≥ 11.0, < 11.2

• apple•icloud for windows

  ≥ unspecified, < iCloud for Windows 11.2

• apple•icloud for windows (legacy)

  ≥ unspecified, < iCloud for Windows 7.19

• Unknown•iOS

  ≥ unspecified, < iOS 13.5 and iPadOS 13.5

• apple•ipados

  < 13.5

• apple•iphone_os

  < 13.5

• apple•itunes

  < 12.10.7

• apple•itunes for windows

  ≥ unspecified, < iTunes 12.10.7 for Windows

• apple•safari

  < 13.1.1 | ≥ unspecified, < Safari 13.1.1

• apple•tvos

  < 13.4.5 | ≥ unspecified, < tvOS 13.4.5

• apple•watchos

  < 6.2.5 | ≥ unspecified, < watchOS 6.2.5

References (7)

• https://support.apple.com/HT211168
• https://support.apple.com/HT211171
• https://support.apple.com/HT211175
• https://support.apple.com/HT211178
• https://support.apple.com/HT211179
• https://support.apple.com/HT211181
• https://support.apple.com/HT211177