CVE-2015-8023

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
Affected Products (NVD)
VendorProductVersion
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.04
canonicalubuntu_linux
15.10
strongswanstrongswan
4.2.12
strongswanstrongswan
4.2.13
strongswanstrongswan
4.2.14
strongswanstrongswan
4.2.15
strongswanstrongswan
4.2.16
strongswanstrongswan
4.3.0
strongswanstrongswan
4.3.1
strongswanstrongswan
4.3.2
strongswanstrongswan
4.3.3
strongswanstrongswan
4.3.4
strongswanstrongswan
4.3.5
strongswanstrongswan
4.3.6
strongswanstrongswan
4.3.7
strongswanstrongswan
4.4.0
strongswanstrongswan
4.4.1
strongswanstrongswan
4.5.0
strongswanstrongswan
4.5.1
strongswanstrongswan
4.5.2
strongswanstrongswan
4.5.3
strongswanstrongswan
4.6.0
strongswanstrongswan
4.6.1
strongswanstrongswan
4.6.2
strongswanstrongswan
4.6.3
strongswanstrongswan
4.6.4
strongswanstrongswan
5.0.0
strongswanstrongswan
5.0.1
strongswanstrongswan
5.0.2
strongswanstrongswan
5.0.3
strongswanstrongswan
5.0.4
strongswanstrongswan
5.1.0
strongswanstrongswan
5.1.1
strongswanstrongswan
5.1.2
strongswanstrongswan
5.1.3
strongswanstrongswan
5.2.0
strongswanstrongswan
5.2.1
strongswanstrongswan
5.2.2
strongswanstrongswan
5.2.3
strongswanstrongswan
5.3.0
strongswanstrongswan
5.3.1
strongswanstrongswan
5.3.2
strongswanstrongswan
5.3.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
strongswan
bookworm
5.9.8-5+deb12u1
fixed
bookworm (security)
5.9.8-5+deb12u1
fixed
bullseye
5.9.1-1+deb11u4
fixed
bullseye (security)
5.9.1-1+deb11u4
fixed
sid
5.9.13-2
fixed
trixie
5.9.13-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
strongswan
precise
ignored
trusty
Fixed 5.1.2-0ubuntu2.4
released
vivid
Fixed 5.1.2-0ubuntu5.3
released
wily
Fixed 5.1.2-0ubuntu6.2
released
xenial
Fixed 5.1.2-0ubuntu7
released
yakkety
Fixed 5.1.2-0ubuntu7
released
zesty
Fixed 5.1.2-0ubuntu7
released