CVE-2019-3467 Misconfiguration in Debian Edu
Permissive ACLs in Debian Edu Kerberos configuration allow attackers to change passwords for other user principals, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-3467?
CVE-2019-3467 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 23 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Debian-edu-config all versions < 2.11.10, a set of configuration files used for Debian Edu, and debian-lan-config < 0.26, configured too permissive ACLs for the Kerberos admin server, which allowed password changes for other Kerberos user principals.
Weakness: CWE-732
Which versions are affected by CVE-2019-3467?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian-Lan-Config, Debian Debian Linux, Skolelinux Debian-Edu-Config.
How do I fix CVE-2019-3467?
Apply the vendor's patch.
Is CVE-2019-3467 being exploited?
There is no known exploitation of CVE-2019-3467 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-3467, DLA-2041-1, DLA-2063-1, DSA-4589-1, DSA-4595-1, GHSA-qwf4-gh23-f5jj and 2 more.