NetSight
medium5.0

CVE-2015-8023

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 loca…

Impact

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 products

VendorProductAffected versions
CanonicalUbuntu Linux
Versions 14.04, 15.04, 15.10
StrongswanStrongswan
Versions 4.2.12, 4.2.13, 4.2.14, 4.2.15, 4.2.16, 4.3.0

Weakness classification

References