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Red Hat 7.6: RHSA-2021-2786-01 Important: libldb Out Of Bounds Read

red hat
Calendar Grey July 20, 2021
Dist Redhat Esm H88
A crucial security patch for libldb has been released, resolving a significant vulnerability within Red Hat Enterprise Linux, which affected LDAP server operations.
An update for libldb is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise L...

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 update important red hat enterprise ldap out of bounds read 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 Server AUS (v. 7.6):
Source: libldb-1.3.4-2.el7_6.src.rpm
x86_64: libldb-1.3.4-2.el7_6.i686.rpm libldb-1.3.4-2.el7_6.x86_64.rpm libldb-debuginfo-1.3.4-2.el7_6.i686.rpm libldb-debuginfo-1.3.4-2.el7_6.x86_64.rpm pyldb-1.3.4-2.el7_6.i686.rpm pyldb-1.3.4-2.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.6):
Source: libldb-1.3.4-2.el7_6.src.rpm
ppc64le: libldb-1.3.4-2.el7_6.ppc64le.rpm libldb-debuginfo-1.3.4-2.el7_6.ppc64le.rpm
x86_64: libldb-1.3.4-2.el7_6.i686.rpm libldb-1.3.4-2.el7_6.x86_64.rpm libldb-debuginfo-1.3.4-2.el7_6.i686.rpm libldb-debuginfo-1.3.4-2.el7_6.x86_64.rpm pyldb-1.3.4-2.el7_6.i686.rpm pyldb-1.3.4-2.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.6):
Source: libldb-1.3.4-2.el7_6.src.rpm
x86_64: libldb-1.3.4-2.el7_6.i686.rpm libldb-1.3.4-2.el7_6.x86_64.rpm libldb-debuginfo-1.3.4-2.el7_6.i686.rpm libldb-debuginfo-1.3.4-2.el7_6.x86_64.rpm pyldb-1.3.4-2.el7_6.i686.rpm pyldb-1.3.4-2.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.6):
x86_64: ldb-tools-1.3.4-2.el7_6.x86_64.rpm libldb-debuginfo-1.3.4-2.el7_6.i686.rpm libldb-debuginfo-1.3.4-2.el7_6.x86_64.rpm libldb-devel-1.3.4-2.el7_6.i686.rpm libldb-devel-1.3.4-2.el7_6.x86_64.rpm pyldb-devel-1.3.4-2.el7_6.i686.rpm pyldb-devel-1.3.4-2.el7_6.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2786-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2786
Issue date: 2021-07-20

Topic

An update for libldb is now available for Red Hat Enterprise Linux 7.6Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.6 Update Services for SAPSolutions.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 update important red hat enterprise ldap out of bounds read libldb

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server E4S (v. 7.6) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.6) - x86_64

Bugs Fixed

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

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