CVEvulnerability

CVE-2015-8023

5.0 MEDIUM Published 2015-11-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2015-11-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-20, CWE-264

Description

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.

Affected configurations

• canonical ubuntu linux 14.04 • canonical ubuntu linux 15.04 • canonical ubuntu linux 15.10 • strongswan strongswan 4.2.12 • strongswan strongswan 4.2.13 • strongswan strongswan 4.2.14 • strongswan strongswan 4.2.15 • strongswan strongswan 4.2.16 • strongswan strongswan 4.3.0 • strongswan strongswan 4.3.1 • strongswan strongswan 4.3.2 • strongswan strongswan 4.3.3 • strongswan strongswan 4.3.4 • strongswan strongswan 4.3.5 • strongswan strongswan 4.3.6 • strongswan strongswan 4.3.7 • strongswan strongswan 4.4.0 • strongswan strongswan 4.4.1 • strongswan strongswan 4.5.0 • strongswan strongswan 4.5.1 • strongswan strongswan 4.5.2 • strongswan strongswan 4.5.3 • strongswan strongswan 4.6.0 • strongswan strongswan 4.6.1 • strongswan strongswan 4.6.2 • strongswan strongswan 4.6.3 • strongswan strongswan 4.6.4 • strongswan strongswan 5.0.0 • strongswan strongswan 5.0.1 • strongswan strongswan 5.0.2 • strongswan strongswan 5.0.3 • strongswan strongswan 5.0.4 • strongswan strongswan 5.1.0 • strongswan strongswan 5.1.1 • strongswan strongswan 5.1.2 • strongswan strongswan 5.1.3 • strongswan strongswan 5.2.0 • strongswan strongswan 5.2.1 • strongswan strongswan 5.2.2 • strongswan strongswan 5.2.3 • strongswan strongswan 5.3.0 • strongswan strongswan 5.3.1 • strongswan strongswan 5.3.2 • strongswan strongswan 5.3.3

Related

Weakness · not in database (1)

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References