CVE-2023-3972 (GCVE-0-2023-3972)
Vulnerability from cvelistv5 – Published: 2023-11-01 15:54 – Updated: 2026-04-06 14:29
VLAI
EPSS
VEX
Title
Insights-client: unsafe handling of temporary files and directories
Summary
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).
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-26 16:52 UTC
CWE
- CWE-379 - Creation of Temporary File in Directory with Insecure Permissions
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:6264 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6282 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6283 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6284 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6795 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6796 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6798 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:6811 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-3972 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2227027 | issue-trackingx_refsource_REDHAT |
| https://github.com/RedHatInsights/insights-core/p… |
Impacted products
13 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 |
Unaffected:
0:3.1.9-1.el7_9 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:3.2.2-1.el8_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions |
Unaffected:
0:3.2.3-1.el8_1 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.1::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:3.2.3-1.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service |
Unaffected:
0:3.2.3-1.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions |
Unaffected:
0:3.2.3-1.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:3.2.3-1.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service |
Unaffected:
0:3.2.3-1.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions |
Unaffected:
0:3.2.3-1.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:3.2.2-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:3.2.2-1.el9_2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:3.2.2-1.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
Date Public
2023-11-01 11:00
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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