CVE-2015-4171
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.04 | Affected | — |
| 14.10 | Affected | — |
| 14.04 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.3.1-1 |
| sid | Fixed | 5.3.1-1 |
| forky | Fixed | 5.3.1-1 |
| bullseye | Fixed | 5.3.1-1 |
| bookworm | Fixed | 5.3.1-1 |
| 8.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| strongswan | strongswan_vpn_client | {"endIncluding":"1.4.5"} | |
| 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 | |
References
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
- http://www.debian.org/security/2015/dsa-3282
- http://www.openwall.com/lists/oss-security/2015/05/29/6
- http://www.openwall.com/lists/oss-security/2015/05/29/7
- http://www.openwall.com/lists/oss-security/2015/06/08/4
- http://www.securityfocus.com/bid/74933
- http://www.securitytracker.com/id/1032514
- http://www.ubuntu.com/usn/USN-2628-1
- https://bugzilla.suse.com/show_bug.cgi?id=933591
- https://play.google.com/store/apps/details?id=org.strongswan.android
- https://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.html
- https://www.suse.com/security/cve/CVE-2015-4171.html
- https://security-tracker.debian.org/tracker/CVE-2015-4171
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.