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CVE-2015-8630

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2016-0532-01
Posted Apr 4, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-0532-01 - Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center. Security Fix: A memory leak flaw was found in the krb5_unparse_name() function of the MIT Kerberos kadmind service. An authenticated attacker could repeatedly send specially crafted requests to the server, which could cause the server to consume large amounts of memory resources, ultimately leading to a denial of service due to memory exhaustion.

tags | advisory, denial of service, memory leak
systems | linux, redhat
advisories | CVE-2015-8629, CVE-2015-8630, CVE-2015-8631
SHA-256 | 7923c4a26bd8eaff6297576d2f1e25328457dfe3d9715a4441a96cf23a30904c
Debian Security Advisory 3466-1
Posted Feb 5, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3466-1 - Several vulnerabilities were discovered in krb5, the MIT implementation of Kerberos.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2015-8629, CVE-2015-8630, CVE-2015-8631
SHA-256 | 8882f3771f374aeae0da22fa5be2ecfc575458e8af94616bd1d91c5669e26a89
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