The server implementation of the EAP-MSCHAPv2 protocol in the eap-mschapv2 plugin in strongSwan 4.2.12 through 5.x before 5.3.4 does not properly validate local state, which allows remote attackers to bypass authentication via an empty Success message in response to an initial Challenge message.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-345-1 strongswan security update
Debian DSA Debian DSA DSA-3398-1 strongswan security update
EUVD EUVD EUVD-2015-7918 The server implementation of the EAP-MSCHAPv2 protocol in the eap-mschapv2 plugin in strongSwan 4.2.12 through 5.x before 5.3.4 does not properly validate local state, which allows remote attackers to bypass authentication via an empty Success message in response to an initial Challenge message.
Ubuntu USN Ubuntu USN USN-2811-1 strongSwan vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T08:06:31.575Z

Reserved: 2015-10-29T00:00:00

Link: CVE-2015-8023

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-11-18T16:59:07.587

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-8023

cve-icon Redhat

Severity : Important

Publid Date: 2015-11-16T00:00:00Z

Links: CVE-2015-8023 - Bugzilla

cve-icon OpenCVE Enrichment

No data.