CVE-2017-9148

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.21% Top 25%
Vendor Advisory redhat.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://freeradius.org/security.html not applicable
http://seclists.org/oss-sec/2017/q2/422 vdb entry mailing list
https://access.redhat.com/errata/RHSA-2017:1581 vendor advisory
http://www.securitytracker.com/id/1038576 vdb entry
http://www.securityfocus.com/bid/98734 vdb entry third party advisory
https://security.gentoo.org/glsa/201706-27 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-9148?
CVE-2017-9148 has been scored as a critical severity vulnerability.
How to fix CVE-2017-9148?
To fix CVE-2017-9148, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9148 being actively exploited in the wild?
It is possible that CVE-2017-9148 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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