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Red Hat Security Advisory

Synopsis: Moderate: libldb security, bug fix, and enhancement update
Advisory ID: RHSA-2020:4568-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4568
Issue date: 2020-11-03
CVE Names: CVE-2020-10730
=====================================================================

1. Summary:

An update for libldb is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

The libldb packages provide an extensible library that implements an
LDAP-like API to access remote LDAP servers, or use local TDB databases.

The following packages have been upgraded to a later upstream version:
libldb (2.1.3). (BZ#1817567)

Security Fix(es):

* samba: NULL pointer de-reference and use-after-free in Samba AD DC LDAP
Server with ASQ, VLV and paged_results (CVE-2020-10730)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from 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/):

1817567 – Rebase libldb to the version required by Samba
1849489 – CVE-2020-10730 samba: NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libldb-2.1.3-2.el8.src.rpm

aarch64:
ldb-tools-2.1.3-2.el8.aarch64.rpm
ldb-tools-debuginfo-2.1.3-2.el8.aarch64.rpm
libldb-2.1.3-2.el8.aarch64.rpm
libldb-debuginfo-2.1.3-2.el8.aarch64.rpm
libldb-debugsource-2.1.3-2.el8.aarch64.rpm
libldb-devel-2.1.3-2.el8.aarch64.rpm
python3-ldb-2.1.3-2.el8.aarch64.rpm
python3-ldb-debuginfo-2.1.3-2.el8.aarch64.rpm

ppc64le:
ldb-tools-2.1.3-2.el8.ppc64le.rpm
ldb-tools-debuginfo-2.1.3-2.el8.ppc64le.rpm
libldb-2.1.3-2.el8.ppc64le.rpm
libldb-debuginfo-2.1.3-2.el8.ppc64le.rpm
libldb-debugsource-2.1.3-2.el8.ppc64le.rpm
libldb-devel-2.1.3-2.el8.ppc64le.rpm
python3-ldb-2.1.3-2.el8.ppc64le.rpm
python3-ldb-debuginfo-2.1.3-2.el8.ppc64le.rpm

s390x:
ldb-tools-2.1.3-2.el8.s390x.rpm
ldb-tools-debuginfo-2.1.3-2.el8.s390x.rpm
libldb-2.1.3-2.el8.s390x.rpm
libldb-debuginfo-2.1.3-2.el8.s390x.rpm
libldb-debugsource-2.1.3-2.el8.s390x.rpm
libldb-devel-2.1.3-2.el8.s390x.rpm
python3-ldb-2.1.3-2.el8.s390x.rpm
python3-ldb-debuginfo-2.1.3-2.el8.s390x.rpm

x86_64:
ldb-tools-2.1.3-2.el8.x86_64.rpm
ldb-tools-debuginfo-2.1.3-2.el8.i686.rpm
ldb-tools-debuginfo-2.1.3-2.el8.x86_64.rpm
libldb-2.1.3-2.el8.i686.rpm
libldb-2.1.3-2.el8.x86_64.rpm
libldb-debuginfo-2.1.3-2.el8.i686.rpm
libldb-debuginfo-2.1.3-2.el8.x86_64.rpm
libldb-debugsource-2.1.3-2.el8.i686.rpm
libldb-debugsource-2.1.3-2.el8.x86_64.rpm
libldb-devel-2.1.3-2.el8.i686.rpm
libldb-devel-2.1.3-2.el8.x86_64.rpm
python3-ldb-2.1.3-2.el8.i686.rpm
python3-ldb-2.1.3-2.el8.x86_64.rpm
python3-ldb-debuginfo-2.1.3-2.el8.i686.rpm
python3-ldb-debuginfo-2.1.3-2.el8.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-2020-10730
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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