Vulnerability Details CVE-2015-4171
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 78.3%
CVSS Severity
CVSS v2 Score 2.6
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
- 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
Products affected by CVE-2015-4171
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cpe:2.3:a:strongswan:strongswan:4.3.0
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cpe:2.3:a:strongswan:strongswan:4.3.1
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cpe:2.3:a:strongswan:strongswan:4.3.2
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cpe:2.3:a:strongswan:strongswan:4.3.3
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cpe:2.3:a:strongswan:strongswan:4.3.4
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cpe:2.3:a:strongswan:strongswan:4.3.5
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cpe:2.3:a:strongswan:strongswan:4.3.6
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cpe:2.3:a:strongswan:strongswan:4.3.7
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cpe:2.3:a:strongswan:strongswan:4.4.0
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cpe:2.3:a:strongswan:strongswan:4.4.1
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cpe:2.3:a:strongswan:strongswan:4.5.0
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cpe:2.3:a:strongswan:strongswan:4.5.1
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cpe:2.3:a:strongswan:strongswan:4.5.2
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cpe:2.3:a:strongswan:strongswan:4.5.3
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cpe:2.3:a:strongswan:strongswan:4.6.0
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cpe:2.3:a:strongswan:strongswan:4.6.1
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cpe:2.3:a:strongswan:strongswan:4.6.2
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cpe:2.3:a:strongswan:strongswan:4.6.3
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cpe:2.3:a:strongswan:strongswan:4.6.4
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cpe:2.3:a:strongswan:strongswan:5.0.0
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cpe:2.3:a:strongswan:strongswan:5.0.1
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cpe:2.3:a:strongswan:strongswan:5.0.2
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cpe:2.3:a:strongswan:strongswan:5.0.3
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cpe:2.3:a:strongswan:strongswan:5.0.4
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cpe:2.3:a:strongswan:strongswan:5.1.0
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cpe:2.3:a:strongswan:strongswan:5.1.1
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cpe:2.3:a:strongswan:strongswan:5.1.2
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cpe:2.3:a:strongswan:strongswan:5.1.3
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cpe:2.3:a:strongswan:strongswan:5.2.0
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cpe:2.3:a:strongswan:strongswan:5.2.1
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cpe:2.3:a:strongswan:strongswan:5.2.2
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cpe:2.3:a:strongswan:strongswan:5.2.3
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cpe:2.3:a:strongswan:strongswan:5.3.0
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cpe:2.3:a:strongswan:strongswan:5.3.1
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cpe:2.3:a:strongswan:strongswan_vpn_client:1.4.5
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:14.10
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cpe:2.3:o:canonical:ubuntu_linux:15.04
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cpe:2.3:o:debian:debian_linux:8.0