CVE-2015-4171
Summary
| CVE | CVE-2015-4171 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2015-06-10 18:59:09 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
HighAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:H/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.04 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.0 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.1 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.2 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.3 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.4 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.5 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.6 | All | All | All |
| Application | Strongswan | Strongswan | 4.3.7 | All | All | All |
| Application | Strongswan | Strongswan | 4.4.0 | All | All | All |
| Application | Strongswan | Strongswan | 4.4.1 | All | All | All |
| Application | Strongswan | Strongswan | 4.5.0 | All | All | All |
| Application | Strongswan | Strongswan | 4.5.1 | All | All | All |
| Application | Strongswan | Strongswan | 4.5.2 | All | All | All |
| Application | Strongswan | Strongswan | 4.5.3 | All | All | All |
| Application | Strongswan | Strongswan | 4.6.0 | All | All | All |
| Application | Strongswan | Strongswan | 4.6.1 | All | All | All |
| Application | Strongswan | Strongswan | 4.6.2 | All | All | All |
| Application | Strongswan | Strongswan | 4.6.3 | All | All | All |
| Application | Strongswan | Strongswan | 4.6.4 | All | All | All |
| Application | Strongswan | Strongswan | 5.0.0 | All | All | All |
| Application | Strongswan | Strongswan | 5.0.1 | All | All | All |
| Application | Strongswan | Strongswan | 5.0.2 | All | All | All |
| Application | Strongswan | Strongswan | 5.0.3 | All | All | All |
| Application | Strongswan | Strongswan | 5.0.4 | All | All | All |
| Application | Strongswan | Strongswan | 5.1.0 | All | All | All |
| Application | Strongswan | Strongswan | 5.1.1 | All | All | All |
| Application | Strongswan | Strongswan | 5.1.2 | All | All | All |
| Application | Strongswan | Strongswan | 5.1.3 | All | All | All |
| Application | Strongswan | Strongswan | 5.2.0 | All | All | All |
| Application | Strongswan | Strongswan | 5.2.1 | All | All | All |
| Application | Strongswan | Strongswan | 5.2.2 | All | All | All |
| Application | Strongswan | Strongswan | 5.2.3 | All | All | All |
| Application | Strongswan | Strongswan | 5.3.0 | All | All | All |
| Application | Strongswan | Strongswan | 5.3.1 | All | All | All |
| Application | Strongswan | Strongswan Vpn Client | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-2628-1: strongSwan vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Patch |
| strongSwan VPN Client – Android Apps on Google Play | af854a3a-2127-422b-91ae-364da2661108 | play.google.com | Patch |
| oss-security - Re: StrongSwan VPN client for Android leaks username to rouge server | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| oss-security - StrongSwan VPN client for Android leaks username to rouge server | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| strongSwan VPN Client DNS Spoofing Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| strongSwan IKEv2 Authentication Flaw Lets Remote Authenticated Users Obtain Potentially Sensitive Information - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| CVE-2015-4171 | af854a3a-2127-422b-91ae-364da2661108 | www.suse.com | |
| Debian -- Security Information -- DSA-3282-1 strongswan | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Patch |
| Bug 933591 – VUL-0: CVE-2015-4171: strongswan: rogue servers vulnerability | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.suse.com | |
| strongSwan - strongSwan Vulnerability (CVE-2015-4171) | af854a3a-2127-422b-91ae-364da2661108 | www.strongswan.org | Patch, Vendor Advisory |
| openSUSE-SU-2015:1082-1: moderate: Security update for strongswan | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| oss-security - Re: StrongSwan VPN client for Android leaks username to rouge server | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.