CVE-2023-26482

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Summary

CVECVE-2023-26482
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-03-30 19:15:00 UTC
Updated2023-04-06 18:49:00 UTC
DescriptionNextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to create workflows which are designed to be only available for administrators. Some workflows are designed to be RCE by invoking defined scripts, in order to generate PDFs, invoking webhooks or running scripts on the server. Due to this combination depending on the available apps the issue can result in a RCE at the end. It is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. Users unable to upgrade should disable app `workflow_scripts` and `workflow_pdf_converter` as a mitigation.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Nextcloud Server All All All All
Application Nextcloud Nextcloud Server All All All All

References

ReferenceSourceLinkTags
Scope of workflow operations is not validated · Advisory · nextcloud/security-advisories · GitHub MISC github.com
Validate the scope when validating operations · nextcloud/server@5a06b50 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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