CVE-2015-4171

strongSwan 4.3.0-5.x < 5.3.2 & Client < 1.4.6 - Sensitive Info Exposure via IKEv2 Auth

Title source: llm
STIX 2.1

Description

strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses.

References (12)

Core 12
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1032514
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/06/08/4
Various Sources x_refsource_confirm
https://www.suse.com/security/cve/CVE-2015-4171.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/05/29/6
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/05/29/7
Patch vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2628-1
Patch vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3282
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/74933
Issue Tracking x_refsource_confirm
https://bugzilla.suse.com/show_bug.cgi?id=933591

Scores

EPSS 0.0203
EPSS Percentile 78.7%

Details

CWE
CWE-200
Status published
Products (39)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 14.10
canonical/ubuntu_linux 15.04
debian/debian_linux 8.0
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
... and 29 more
Published Jun 10, 2015
Tracked Since Feb 18, 2026