CVE-2023-43498

jenkins: API MultipartFormDataParser temporary uploaded file created with insecure permissions

Published Sep 20, 2023 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-2526 In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.
Github GHSA Github GHSA GHSA-hq87-h4jg-vxfw Jenkins temporary uploaded file created with insecure permissions
History
Type Values Removed Values Added
Weaknesses CWE-377
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Sep 24, 2024, 6:52 PM
Reserved
Sep 19, 2023, 9:22 AM
Status
Modified
Published
Sep 20, 2023, 5:15 PM
Modified
Jun 17, 2026, 6:25 AM
Severity
Low
Public date
Sep 20, 2023, 12:00 AM