Name | 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. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
openvpn (PTS) | buster | 2.4.7-1+deb10u1 | vulnerable (unimportant) |
| bullseye | 2.5.1-3 | vulnerable (unimportant) |
| bookworm, bookworm (security) | 2.6.3-1+deb12u2 | vulnerable (unimportant) |
| trixie | 2.6.7-1 | vulnerable (unimportant) |
| sid | 2.6.9-1 | vulnerable (unimportant) |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|
openvpn | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://community.openvpn.net/openvpn/wiki/SWEET32
This is a generic cryptographic weakness, not a vulnerability in OpenVPN per se