CVE-2023-28997

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Summary

CVECVE-2023-28997
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-04 13:15:00 UTC
Updated2023-04-10 17:48:00 UTC
DescriptionThe Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.

Risk And Classification

Problem Types: CWE-323

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Desktop All All All All

References

ReferenceSourceLinkTags
Initialization vector reuse in end-to-end encryption allows a malicious server admin to break manipulate and access files · Advisory · nextcloud/security-advisories · GitHub MISC github.com
Always generate random initialization vector when uploading encrypted file by allexzander · Pull Request #5324 · nextcloud/desktop · GitHub MISC github.com
ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcry... MISC ethz.ch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 182122 Debian Security Update for nextcloud-desktop (CVE-2023-28997)
  • 503201 Alpine Linux Security Update for nextcloud-client
  • 506127 Alpine Linux Security Update for nextcloud-client

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