Thursday, May 20, 2021

Red Hat Security Advisory 2021-2032-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: slapi-nis security and bug fix update
Advisory ID: RHSA-2021:2032-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2032
Issue date: 2021-05-19
CVE Names: CVE-2021-3480
====================================================================
1. Summary:

An update for slapi-nis is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

The slapi-nis packages contain the NIS server plug-in and the Schema
Compatibility plug-in for use with the 389 Directory Server.

Security Fix(es):

* slapi-nis: NULL dereference (DoS) with specially crafted Binding DN
(CVE-2021-3480)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1944640 - CVE-2021-3480 slapi-nis: NULL dereference (DoS) with specially crafted Binding DN

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
slapi-nis-0.56.5-4.el7_9.src.rpm

x86_64:
slapi-nis-0.56.5-4.el7_9.x86_64.rpm
slapi-nis-debuginfo-0.56.5-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
slapi-nis-0.56.5-4.el7_9.src.rpm

x86_64:
slapi-nis-0.56.5-4.el7_9.x86_64.rpm
slapi-nis-debuginfo-0.56.5-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
slapi-nis-0.56.5-4.el7_9.src.rpm

ppc64le:
slapi-nis-0.56.5-4.el7_9.ppc64le.rpm
slapi-nis-debuginfo-0.56.5-4.el7_9.ppc64le.rpm

x86_64:
slapi-nis-0.56.5-4.el7_9.x86_64.rpm
slapi-nis-debuginfo-0.56.5-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
slapi-nis-0.56.5-4.el7_9.src.rpm

x86_64:
slapi-nis-0.56.5-4.el7_9.x86_64.rpm
slapi-nis-debuginfo-0.56.5-4.el7_9.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-3480
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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