CVE-2016-6329 Weak cryptography in n/a
Remote attackers can recover cleartext data from long-duration OpenVPN sessions using 64-bit block ciphers via a birthday attack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6329?
CVE-2016-6329 is a medium-severity vulnerability in n/a, published on 31 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2016-6329?
It affects 1 product.
Products include Openvpn Openvpn.
How do I fix CVE-2016-6329?
Change a configuration setting.
Is CVE-2016-6329 being exploited?
There is no known exploitation of CVE-2016-6329 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w6pr-cm6j-f384, MGASA-2016-0304, UBUNTU-CVE-2016-6329.