CVE-2023-39962

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Summary

CVECVE-2023-39962
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-10 18:15:00 UTC
Updated2023-08-16 13:54:00 UTC
DescriptionNextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a malicious user could delete any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. As a workaround, disable app files_external. This also makes the external storage inaccessible but retains the configurations until a patched version has been deployed.

Risk And Classification

Problem Types: CWE-284

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Nextcloud Server All All All All
Application Nextcloud Nextcloud Server All All All All
Application Nextcloud Nextcloud Server 27.0.0 All All All
Application Nextcloud Nextcloud Server 27.0.0 All All All

References

ReferenceSourceLinkTags
Users can delete external storage mount points · Advisory · nextcloud/security-advisories · GitHub MISC github.com
files_external: getStorage before remove by ArtificialOwl · Pull Request #39323 · nextcloud/server · GitHub MISC github.com
HackerOne MISC hackerone.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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