PRIOn knowledge basePRION:CVE-2015-4171Authentication flaw
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ubuntu_linux | eq | 14.10 | |
| ubuntu_linux | eq | 14.04 | |
| ubuntu_linux | eq | 15.04 | |
| debian_linux | eq | 8.0 | |
| strongswan | eq | 5.2.3 | |
| strongswan | eq | 4.3.7 | |
| strongswan | eq | 5.1.2 | |
| strongswan | eq | 4.5.3 | |
| strongswan | eq | 4.5.2 | |
| strongswan | eq | 5.0.1 |
References
lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
www.debian.org/security/2015/dsa-3282
www.openwall.com/lists/oss-security/2015/05/29/6
www.openwall.com/lists/oss-security/2015/05/29/7
www.openwall.com/lists/oss-security/2015/06/08/4
www.securityfocus.com/bid/74933
www.securitytracker.com/id/1032514
www.ubuntu.com/usn/USN-2628-1
bugzilla.suse.com/show_bug.cgi?id=933591
play.google.com/store/apps/details?id=org.strongswan.android
www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.html
www.suse.com/security/cve/CVE-2015-4171.html
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