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Red Hat Enterprise Linux 8.1 RHSA-2021-2027-01 Important: ipa DoS Threat

red hat
Calendar Grey May 19, 2021
Dist Redhat Esm H88
A crucial cybersecurity patch has been released for Red Hat Enterprise Linux 8.1 Extended Update Support. Find out more.
An update for the idm:DL1 module is now available for Red Hat Enterprise Linux 8.1 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

Red Hat Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments.
Security Fix(es):
* slapi-nis: NULL dereference (DoS) with specially crafted Binding DN (CVE-2021-3480)
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 Enterprise Linux DoS threat identity management important fix ipa update authentication management

References

https://access.redhat.com/security/cve/CVE-2021-3480 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: bind-dyndb-ldap-11.1-14.module+el8.1.0+4098+f286395e.src.rpm custodia-0.6.0-3.module+el8.1.0+4098+f286395e.src.rpm ipa-4.8.0-13.module+el8.1.0+4923+c6efe041.src.rpm ipa-healthcheck-0.3-4.module+el8.1.0+4098+f286395e.src.rpm ipa-idoverride-memberof-0.0.4-6.module+el8.1.0+4098+f286395e.src.rpm opendnssec-1.4.14-1.module+el8.1.0+4098+f286395e.src.rpm python-jwcrypto-0.5.0-1.module+el8.1.0+4098+f286395e.src.rpm python-kdcproxy-0.4-3.module+el8.1.0+4098+f286395e.src.rpm python-qrcode-5.1-12.module+el8.1.0+4098+f286395e.src.rpm python-yubico-1.3.2-9.module+el8.1.0+4098+f286395e.src.rpm pyusb-1.0.0-9.module+el8.1.0+4098+f286395e.src.rpm slapi-nis-0.56.3-3.module+el8.1.0+10781+dffa5bca.src.rpm softhsm-2.4.0-2.module+el8.1.0+4098+f286395e.src.rpm
aarch64: bind-dyndb-ldap-11.1-14.module+el8.1.0+4098+f286395e.aarch64.rpm bind-dyndb-ldap-debuginfo-11.1-14.module+el8.1.0+4098+f286395e.aarch64.rpm bind-dyndb-ldap-debugsource-11.1-14.module+el8.1.0+4098+f286395e.aarch64.rpm ipa-client-4.8.0-13.module+el8.1.0+4923+c6efe041.aarch64.rpm ipa-client-debuginfo-4.8.0-13.module+el8.1.0+4923+c6efe041.aarch64.rpm ipa-client-samba-4.8.0-13.module+el8.1.0+4923+c6efe041.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2027-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2027
Issue date: 2021-05-19

Topic

An update for the idm:DL1 module is now available for Red Hat EnterpriseLinux 8.1 Extended 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 Enterprise Linux DoS threat identity management important fix ipa update authentication management

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1944640 - CVE-2021-3480 slapi-nis: NULL dereference (DoS) with specially crafted Binding DN

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