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RedHat: RHSA-2020-4568 Moderate: libldb Security Fix for Samba

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
Red Hat has issued a timely notification regarding libldb, which pertains to a security vulnerability. Discover the steps necessary to upgrade your system.
An update for libldb is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat bug fix samba LDAP libldb

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/

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

Read the Full Advisory


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat bug fix samba LDAP libldb

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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