Vulnerability CVE-2015-3240
Published: 2015-11-09

Description:
The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Libreswan -> Libreswan 

 References:
http://rhn.redhat.com/errata/RHSA-2015-1979.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/77536
http://www.securitytracker.com/id/1033418
https://libreswan.org/security/CVE-2015-3240/CVE-2015-3240.txt
https://lists.openswan.org/pipermail/users/2015-August/023401.html
https://security.gentoo.org/glsa/201603-13
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