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Red Hat Security Advisory 2021-1197-01

Red Hat Security Advisory 2021-1197-01
Posted Apr 14, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1197-01 - The libldb packages provide an extensible library that implements an LDAP-like API to access remote LDAP servers, or use local TDB databases. Issues addressed include an out of bounds read vulnerability.

tags | advisory, remote, local
systems | linux, redhat
advisories | CVE-2021-20277
SHA-256 | 7e635439f9063bb6410c061409cd77a0be43c5d5eb27cef4c65a641868d49d21

Red Hat Security Advisory 2021-1197-01

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

Synopsis: Important: libldb security update
Advisory ID: RHSA-2021:1197-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1197
Issue date: 2021-04-14
CVE Names: CVE-2021-20277
=====================================================================

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 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 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.

Security Fix(es):

* samba: Out of bounds read in AD DC LDAP server (CVE-2021-20277)

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/):

1941402 - CVE-2021-20277 samba: Out of bounds read in AD DC LDAP server

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libldb-2.1.3-3.el8_3.src.rpm

aarch64:
ldb-tools-2.1.3-3.el8_3.aarch64.rpm
ldb-tools-debuginfo-2.1.3-3.el8_3.aarch64.rpm
libldb-2.1.3-3.el8_3.aarch64.rpm
libldb-debuginfo-2.1.3-3.el8_3.aarch64.rpm
libldb-debugsource-2.1.3-3.el8_3.aarch64.rpm
libldb-devel-2.1.3-3.el8_3.aarch64.rpm
python3-ldb-2.1.3-3.el8_3.aarch64.rpm
python3-ldb-debuginfo-2.1.3-3.el8_3.aarch64.rpm

ppc64le:
ldb-tools-2.1.3-3.el8_3.ppc64le.rpm
ldb-tools-debuginfo-2.1.3-3.el8_3.ppc64le.rpm
libldb-2.1.3-3.el8_3.ppc64le.rpm
libldb-debuginfo-2.1.3-3.el8_3.ppc64le.rpm
libldb-debugsource-2.1.3-3.el8_3.ppc64le.rpm
libldb-devel-2.1.3-3.el8_3.ppc64le.rpm
python3-ldb-2.1.3-3.el8_3.ppc64le.rpm
python3-ldb-debuginfo-2.1.3-3.el8_3.ppc64le.rpm

s390x:
ldb-tools-2.1.3-3.el8_3.s390x.rpm
ldb-tools-debuginfo-2.1.3-3.el8_3.s390x.rpm
libldb-2.1.3-3.el8_3.s390x.rpm
libldb-debuginfo-2.1.3-3.el8_3.s390x.rpm
libldb-debugsource-2.1.3-3.el8_3.s390x.rpm
libldb-devel-2.1.3-3.el8_3.s390x.rpm
python3-ldb-2.1.3-3.el8_3.s390x.rpm
python3-ldb-debuginfo-2.1.3-3.el8_3.s390x.rpm

x86_64:
ldb-tools-2.1.3-3.el8_3.x86_64.rpm
ldb-tools-debuginfo-2.1.3-3.el8_3.i686.rpm
ldb-tools-debuginfo-2.1.3-3.el8_3.x86_64.rpm
libldb-2.1.3-3.el8_3.i686.rpm
libldb-2.1.3-3.el8_3.x86_64.rpm
libldb-debuginfo-2.1.3-3.el8_3.i686.rpm
libldb-debuginfo-2.1.3-3.el8_3.x86_64.rpm
libldb-debugsource-2.1.3-3.el8_3.i686.rpm
libldb-debugsource-2.1.3-3.el8_3.x86_64.rpm
libldb-devel-2.1.3-3.el8_3.i686.rpm
libldb-devel-2.1.3-3.el8_3.x86_64.rpm
python3-ldb-2.1.3-3.el8_3.i686.rpm
python3-ldb-2.1.3-3.el8_3.x86_64.rpm
python3-ldb-debuginfo-2.1.3-3.el8_3.i686.rpm
python3-ldb-debuginfo-2.1.3-3.el8_3.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-2021-20277
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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