CVE-2016-6329

Description

OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a "Sweet32" attack.

References

http://www.securityfocus.com/bid/92631

http://www.securitytracker.com/id/1036695

http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697

http://www-01.ibm.com/support/docview.wss?uid=swg21991482

http://www-01.ibm.com/support/docview.wss?uid=swg21995039

https://cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf

https://community.openvpn.net/openvpn/wiki/SWEET32

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05369403

https://security.gentoo.org/glsa/201611-02

https://sweet32.info/

Details

Risk Information

CVSS v2

CVSS v3