CVE-2015-4171
LOW severity · CVSS 2.6 · Information disclosure
2.6CVSS LOW
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges required—
User interaction—
Confidentiality impact—
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:H/Au:N/C:P/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.debian.org/security/2015/dsa-3282 ↗
Additional information
- NVD record
- http://www.debian.org/security/2015/dsa-3282Patch
- http://www.ubuntu.com/usn/USN-2628-1Patch
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
- 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