CVE-2023-28999

Summary

CVECVE-2023-28999
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-04 13:15:00 UTC
Updated2023-11-07 04:10:00 UTC
DescriptionNextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.​ This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.

Risk And Classification

Problem Types: CWE-311

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Desktop All All All All
Application Nextcloud Nextcloud All All All All
Application Nextcloud Nextcloud All All All All

References

ReferenceSourceLinkTags
Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders · Advisory · nextcloud/security-advisories · GitHub MISC github.com
ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcry... MISC ethz.ch
Feature/e2ee fixes by mgallien · Pull Request #5560 · nextcloud/desktop · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 503202 Alpine Linux Security Update for nextcloud-client
  • 506128 Alpine Linux Security Update for nextcloud-client

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