NULL Pointer Dereference Affecting krb5-server-ldap package, versions <0:1.13.2-12.el7_2


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
7.32% (95th percentile)

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  • Snyk IDSNYK-RHEL7-KRB5SERVERLDAP-4615430
  • published26 Jul 2021
  • disclosed8 Jan 2016

Introduced: 8 Jan 2016

CVE-2015-8630  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:7 krb5-server-ldap to version 0:1.13.2-12.el7_2 or higher.
This issue was patched in RHSA-2016:0532.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5-server-ldap package and not the krb5-server-ldap package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1