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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
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Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2016-7256 | 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. |
Ubuntu USN |
USN-3339-1 | OpenVPN vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-06T01:29:18.449Z
Reserved: 2016-07-26T00:00:00.000Z
Link: CVE-2016-6329
No data.
Status : Modified
Published: 2017-01-31T22:59:00.377
Modified: 2026-05-13T00:24:29.033
Link: CVE-2016-6329
No data.
OpenCVE Enrichment
No data.
EUVD
Ubuntu USN