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AUSCERT External Security Bulletin Redistribution
ESB-2021.2037
libldb security update
9 June 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libldb
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20277
Reference: ESB-2021.1476
ESB-2021.1294
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:2331
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Red Hat Security Advisory
Synopsis: Important: libldb security update
Advisory ID: RHSA-2021:2331-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2331
Issue date: 2021-06-08
CVE Names: CVE-2021-20277
=====================================================================
1. Summary:
An update for libldb is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.
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 ComputeNode EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, 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 ComputeNode EUS (v. 7.7):
Source:
libldb-1.4.2-2.el7_7.src.rpm
x86_64:
libldb-1.4.2-2.el7_7.i686.rpm
libldb-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64:
ldb-tools-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
libldb-devel-1.4.2-2.el7_7.i686.rpm
libldb-devel-1.4.2-2.el7_7.x86_64.rpm
pyldb-1.4.2-2.el7_7.i686.rpm
pyldb-1.4.2-2.el7_7.x86_64.rpm
pyldb-devel-1.4.2-2.el7_7.i686.rpm
pyldb-devel-1.4.2-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
libldb-1.4.2-2.el7_7.src.rpm
ppc64:
libldb-1.4.2-2.el7_7.ppc.rpm
libldb-1.4.2-2.el7_7.ppc64.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64.rpm
ppc64le:
libldb-1.4.2-2.el7_7.ppc64le.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64le.rpm
s390x:
libldb-1.4.2-2.el7_7.s390.rpm
libldb-1.4.2-2.el7_7.s390x.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390x.rpm
x86_64:
libldb-1.4.2-2.el7_7.i686.rpm
libldb-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
pyldb-1.4.2-2.el7_7.i686.rpm
pyldb-1.4.2-2.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64:
ldb-tools-1.4.2-2.el7_7.ppc64.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64.rpm
libldb-devel-1.4.2-2.el7_7.ppc.rpm
libldb-devel-1.4.2-2.el7_7.ppc64.rpm
pyldb-1.4.2-2.el7_7.ppc.rpm
pyldb-1.4.2-2.el7_7.ppc64.rpm
pyldb-devel-1.4.2-2.el7_7.ppc.rpm
pyldb-devel-1.4.2-2.el7_7.ppc64.rpm
ppc64le:
ldb-tools-1.4.2-2.el7_7.ppc64le.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64le.rpm
libldb-devel-1.4.2-2.el7_7.ppc64le.rpm
pyldb-1.4.2-2.el7_7.ppc64le.rpm
pyldb-devel-1.4.2-2.el7_7.ppc64le.rpm
s390x:
ldb-tools-1.4.2-2.el7_7.s390x.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390x.rpm
libldb-devel-1.4.2-2.el7_7.s390.rpm
libldb-devel-1.4.2-2.el7_7.s390x.rpm
pyldb-1.4.2-2.el7_7.s390.rpm
pyldb-1.4.2-2.el7_7.s390x.rpm
pyldb-devel-1.4.2-2.el7_7.s390.rpm
pyldb-devel-1.4.2-2.el7_7.s390x.rpm
x86_64:
ldb-tools-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
libldb-devel-1.4.2-2.el7_7.i686.rpm
libldb-devel-1.4.2-2.el7_7.x86_64.rpm
pyldb-devel-1.4.2-2.el7_7.i686.rpm
pyldb-devel-1.4.2-2.el7_7.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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