Veracode Vulnerability DatabaseVERACODE:27052Sweet32 Attack
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
OpenVPN is vulnerable to Sweet32 Attack. When using a 64-bit block cipher, it is 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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| openvpn:trusty | eq | 2.3.2-7ubuntu3 | |
| openvpn:xenial | eq | 2.3.10-1ubuntu2 | |
| openvpn:trusty | eq | 2.3.2-7ubuntu3 | |
| openvpn:xenial | eq | 2.3.10-1ubuntu2 |
References
www-01.ibm.com/support/docview.wss?uid=nas8N1021697
www-01.ibm.com/support/docview.wss?uid=swg21991482
www-01.ibm.com/support/docview.wss?uid=swg21995039
www.securityfocus.com/bid/92631
www.securitytracker.com/id/1036695
cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf
community.openvpn.net/openvpn/wiki/SWEET32
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05369403
security.gentoo.org/glsa/201611-02
sweet32.info/
Related
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N