Vulnerability Description
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 9.0.52 |
| Owncloud | Owncloud | < 9.0.4 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/97276Third Party AdvisoryVDB Entry
- https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec9696957333012Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36eIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9Issue TrackingPatchThird Party Advisory
- https://hackerone.com/reports/145950ExploitThird Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-004PatchVendor Advisory
- https://owncloud.org/security/advisory/?id=oc-sa-2016-014PatchVendor Advisory
- http://www.securityfocus.com/bid/97276Third Party AdvisoryVDB Entry
- https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec9696957333012Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36eIssue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47Issue TrackingPatchThird Party Advisory
- https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2016-9461?
CVE-2016-9461 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on ...
How severe is CVE-2016-9461?
CVE-2016-9461 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9461?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server, Owncloud Owncloud.