CVE-2016-8637 Information

Description

A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when ’early cpio’ is used such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files such as encryption keys or credentials.

CVSS Vector

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

Reference

http://seclists.org/oss-sec/2016/q4/352 http://www.securityfocus.com/bid/94128 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8