CVE-2016-6329
medium
CVSS v3
5.9
CVSS v4 NEW
—
VIR risk
5.9
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.
Predictions
Exploit likelihood
69%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openvpn | openvpn | {"endIncluding":"2.3.14"} | |
References
- 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
- http://www.securityfocus.com/bid/92631
- http://www.securitytracker.com/id/1036695
- 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/
- https://www.suse.com/security/cve/CVE-2016-6329.html
CWEs
CWE-200 CWE-310
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.