CVE-2016-4644 Information

Description

In iOS before 9.3.3 tvOS before 9.2.2 and OS X El Capitan before v10.11.6 and Security Update 2016-004 a downgrade issue existed with HTTP authentication credentials saved in Keychain. This issue was addressed by storing the authentication types with the credentials.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://support.apple.com/HT206902 https://support.apple.com/HT206903 https://support.apple.com/HT206905

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5