OpenVPN, when using a 64-bit block cipher, makes it...
Moderate severity
Unreviewed
Published
May 14, 2022
to the GitHub Advisory Database
•
Updated Feb 2, 2023
Description
Published by the National Vulnerability Database
Jan 31, 2017
Published to the GitHub Advisory Database
May 14, 2022
Last updated
Feb 2, 2023
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.
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