CVE-2023-43497

jenkins: Stapler web framework 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 the Stapler web framework 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-2579 In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using the Stapler web framework 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-qv64-w99c-qcr9 Jenkins temporary uploaded file created with insecure permissions
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
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, 5:04 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