[Secure-testing-team] Bug#819468: krb5: CVE-2016-3119: null pointer dereference in kadmin

[Salvatore Bonaccorso]

Source: krb5
Version: 1.10.1+dfsg-1
Severity: important
Tags: security upstream patch fixed-upstream

Hi,

the following vulnerability was published for krb5.

CVE-2016-3119[0]:
| The process_db_args function in
| plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module
| in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x
| through 1.14.1 mishandles the DB argument, which allows remote
| authenticated users to cause a denial of service (NULL pointer
| dereference and daemon crash) via a crafted request to modify a
| principal.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2016-3119
[1] https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99

Regards,
Salvatore