CVE-2016-4484 Auth bypass in n/a
Physically proximate attackers can gain shell access by repeatedly attempting invalid passwords during boot, bypassing authentication in the initrd script.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4484?
CVE-2016-4484 is a medium-severity authentication bypass vulnerability in n/a, published on 23 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.
Weakness: CWE-287
Which versions are affected by CVE-2016-4484?
It affects 1 product.
Products include Cryptsetup Project Cryptsetup.
How do I fix CVE-2016-4484?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2016-4484 being exploited?
There is no known exploitation of CVE-2016-4484 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-4484, GHSA-gv5v-vgx2-hgvr, UBUNTU-CVE-2016-4484.