CVE-2015-8630 Null dereference in n/a

High 7.5 Published Updated

Remote authenticated users can crash the Kerberos admin daemon by specifying a NULL policy name, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2015-8630?

CVE-2015-8630 is a high-severity vulnerability in Mit Kerberos 5, published on 13 Feb 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.

Which versions are affected by CVE-2015-8630?

It affects 1 product.

Products include Mit Kerberos 5.

How do I fix CVE-2015-8630?

Upgrade to a fixed version.

Is CVE-2015-8630 being exploited?

There is no known exploitation of CVE-2015-8630 in the wild and no public exploit code.

All Mit Kerberos 5 vulnerabilities

Sources

Also known as ALPINE-CVE-2015-8630, DEBIAN-CVE-2015-8630, GHSA-ccgj-jmwf-5p3g, UBUNTU-CVE-2015-8630.

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