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Red Hat Enterprise Linux 7.7 RHSA-2021-2331-01 Important Samba Fix

red hat
Calendar Grey June 8, 2021
Dist Redhat Esm H88
Red Hat raises awareness regarding a critical libldb security vulnerability affecting Enterprise Linux; users are urged to implement the proposed remedy.
An update for libldb is now available for Red Hat Enterprise Linux 7.7 Extended Update Support

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.

Topics%20covered

Topics Covered

security advisory red hat samba important libldb

References

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

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for libldb is now available for Red Hat Enterprise Linux 7.7Extended Update Support.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.

Topics%20covered

Topics Covered

security advisory red hat samba important libldb

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

Bugs Fixed

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

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