SARA / Free Tools / CVE / CVE-2023-25579

CVE-2023-25579 — Nextcloud server is a self hosted home cloud product

Nextcloud server is a self hosted home cloud product. In affected versions the `OC\Files\Node\Folder::getFullPath()` function was validating and normalizing the string in the wrong order. The function is used in the `newFile()` and `newFolder()` items, which may allow to creation

CVSS
6.0 MEDIUM
EPSS
0.12% (top 68.90%)
CWE
CWE-22
Published
2023-02-22T18:21:10.573Z
Last modified
2025-03-10T21:07:05.914Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

01What is this vulnerability?

Nextcloud server is a self hosted home cloud product. In affected versions the `OC\Files\Node\Folder::getFullPath()` function was validating and normalizing the string in the wrong order. The function is used in the `newFile()` and `newFolder()` items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been…

02Affected products

VendorProductVersions
nextcloudsecurityadvisories — < 23.0.12, >= 24.0.0, < 24.0.8, >= 25.0.0, < 25.0.2

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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