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CVE-2024-52515

Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 29.0.1, 28.0.6, 27.1.10
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended that the Nextcloud Server is upgraded to 27.1.10, 28.0.6 or 29.0.1 and Nextcloud Enterprise Server is upgraded to 24.0.12.15, 25.0.13.10, 26.0.13.4, 27.1.10, 28.0.6 or 29.0.1.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • nextcloud security-advisories

    From 29.0.0 · fixed in 29.0.1; From 28.0.0 · fixed in 28.0.6; From 27.0.0 · fixed in 27.1.10

References 4

GitHub · nextcloud/security-advisories

GitHub · nextcloud/server

hackerone.com