Vulnerability Monitor

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CVE-2023-3972


A vulnerability was found in insights-client. This security issue occurs because of insecure file operations or unsafe handling of temporary files and directories that lead to local privilege escalation. Before the insights-client has been registered on the system by root, an unprivileged local user or attacker could create the /var/tmp/insights-client directory (owning the directory with read, write, and execute permissions) on the system. After the insights-client is registered by root, an attacker could then control the directory content that insights are using by putting malicious scripts into it and executing arbitrary code as root (trivially bypassing SELinux protections because insights processes are allowed to disable SELinux system-wide).


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 19 products from redhat, from redhat, from redhat and 16 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-11-01T16:15:08.517

Last Modified

2024-11-21T08:18:25.853

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-379
  • Type: Primary
    CWE-668
  • Type: Secondary
    CWE-379

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat insights-client < 3.2.2 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux 9.0 Yes
Operating System redhat enterprise_linux_aus 8.6 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_eus 8.6 Yes
Operating System redhat enterprise_linux_eus 8.8 Yes
Operating System redhat enterprise_linux_eus 9.0 Yes
Operating System redhat enterprise_linux_eus 9.2 Yes
Operating System redhat enterprise_linux_for_arm_64 8.0 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 8.6 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 8.8 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 9.0 Yes
Operating System redhat enterprise_linux_for_arm_64_eus 9.2 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 7.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 9.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.6 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.8 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 9.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 9.2 Yes
Operating System redhat enterprise_linux_for_power_big_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 9.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.6 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.8 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 9.2 Yes
Operating System redhat enterprise_linux_for_scientific_computing 7.0 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 8.2 Yes
Operating System redhat enterprise_linux_server_aus 8.4 Yes
Operating System redhat enterprise_linux_server_aus 9.2 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.1 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.2 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.4 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.6 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.8 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 9.0 Yes
Operating System redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 9.2 Yes
Operating System redhat enterprise_linux_server_tus 8.2 Yes
Operating System redhat enterprise_linux_server_tus 8.4 Yes
Operating System redhat enterprise_linux_server_tus 8.6 Yes
Operating System redhat enterprise_linux_server_tus 8.8 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 9.2 Yes
Operating System redhat enterprise_linux_update_services_for_sap_solutions 8.1 Yes
Operating System redhat enterprise_linux_update_services_for_sap_solutions 8.2 Yes
Operating System redhat enterprise_linux_update_services_for_sap_solutions 8.4 Yes
Operating System redhat enterprise_linux_update_services_for_sap_solutions 8.6 Yes
Operating System redhat enterprise_linux_update_services_for_sap_solutions 8.8 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.