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Red Hat: RHSA-2021-1197 Important: Samba Out Of Bounds Read

Redhat Large Esm H500
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
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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 . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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Red Hat: RHSA-2021-1197 Important: Samba Out Of Bounds Read

red hat
Calendar Grey April 14, 2021
Dist Redhat Esm H88
An important patch for libldb in Red Hat Enterprise Linux addresses a critical buffer overflow issue within the Samba AD DC LDAP server.
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.
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.

References

https://access.redhat.com/security/cve/CVE-2021-20277 https://access.redhat.com/security/updates/classification/#important

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:1197-01
Product: Red Hat Enterprise Linux
Issue date: 2021-04-14

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Relevant Releases Architectures

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

Bugs Fixed

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

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