Red Hat Enterprise Linux 9 update for sssd

1) Race condition

EUVDB-ID: #VU88857

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3758

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to a race condition where the GPO policy is not consistently applied for authenticated users. A remote user can exploit the race and gain unauthorized access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 9.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.2

libsss_nss_idmap-devel (Red Hat package): before 2.8.2-5.el9_2.4

sssd (Red Hat package): before 2.8.2-5.el9_2.4

python3-libsss_nss_idmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-winbind-idmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-tools-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-proxy-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-nfs-idmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-ldap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-krb5-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-krb5-common-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-kcm-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-ipa-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

sssd-idp (Red Hat package): before 2.8.2-5.el9_2.4

sssd-debugsource (Red Hat package): before 2.8.2-5.el9_2.4

python3-sss-murmur (Red Hat package): before 2.8.2-5.el9_2.4

python3-sss (Red Hat package): before 2.8.2-5.el9_2.4

python3-libsss_nss_idmap (Red Hat package): before 2.8.2-5.el9_2.4

python3-libipa_hbac-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

python3-libipa_hbac (Red Hat package): before 2.8.2-5.el9_2.4

libsss_sudo-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_sudo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_simpleifp-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_simpleifp (Red Hat package): before 2.8.2-5.el9_2.4

libsss_nss_idmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_nss_idmap (Red Hat package): before 2.8.2-5.el9_2.4

libsss_idmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_idmap (Red Hat package): before 2.8.2-5.el9_2.4

libsss_certmap-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_certmap (Red Hat package): before 2.8.2-5.el9_2.4

libsss_autofs-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libsss_autofs (Red Hat package): before 2.8.2-5.el9_2.4

libipa_hbac-debuginfo (Red Hat package): before 2.8.2-5.el9_2.4

libipa_hbac (Red Hat package): before 2.8.2-5.el9_2.4

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_aus:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_arm_64_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_x86_64_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_nss_idmap-devel_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-libsss_nss_idmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-winbind-idmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-tools-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-proxy-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-nfs-idmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-ldap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-krb5-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-krb5-common-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-kcm-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-ipa-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-idp_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:sssd-debugsource_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-sss-murmur_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-sss_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-libsss_nss_idmap_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-libipa_hbac-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:python3-libipa_hbac_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_sudo-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_sudo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_simpleifp-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_simpleifp_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_nss_idmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_nss_idmap_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_idmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_idmap_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_certmap-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_certmap_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_autofs-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libsss_autofs_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libipa_hbac-debuginfo_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:libipa_hbac_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2024:1920

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.