CVE-2017-9148 Information

Description

The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7 3.0.x before 3.0.14 3.1.x before 2017-02-04 and 4.0.x before 2017-02-04 fails to reliably prevent resumption of an unauthenticated session which allows remote attackers (such as malicious 802.1X supplicants) to bypass authentication via PEAP or TTLS.

CVSS Vector

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

Reference

http://freeradius.org/security.html http://seclists.org/oss-sec/2017/q2/422 http://www.securityfocus.com/bid/98734 http://www.securitytracker.com/id/1038576 https://access.redhat.com/errata/RHSA-2017:1581 https://security.gentoo.org/glsa/201706-27

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8