CVE-2012-1012 Missing authorization in n/a
Remote authenticated administrators can improperly read or modify string attributes in MIT Kerberos 5 due to insufficient access restrictions on kadmin operations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1012?
CVE-2012-1012 is a medium-severity missing authorization vulnerability in Mit Kerberos 5, published on 7 Jun 2012. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
server/server_stubs.c in the kadmin protocol implementation in MIT Kerberos 5 (aka krb5) 1.10 before 1.10.1 does not properly restrict access to (1) SET_STRING and (2) GET_STRINGS operations, which might allow remote authenticated administrators to modify or read string attributes by leveraging the global list privilege.
Weakness: CWE-264
Which versions are affected by CVE-2012-1012?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2012-1012?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2012-1012 being exploited?
There is no known exploitation of CVE-2012-1012 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2012-1012, GHSA-ww39-4grx-mfvf.