4.3med

CVE-2016-9461

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.00% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD2.04.0AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • n/a Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4

Classification

Weakness

References

  • owncloud.org /security/advisory/?id=oc-sa-2016-014 · x_refsource_MISC, x_transferred
  • nextcloud.com /security/advisory/?id=nc-sa-2016-004 · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/97276 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 · x_refsource_MISC, x_transferred
  • github.com /owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 · x_refsource_MISC, x_transferred
  • github.com /owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e · x_refsource_MISC, x_transferred
  • github.com /owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 · x_refsource_MISC, x_transferred
  • hackerone.com /reports/145950 · x_refsource_MISC, x_transferred
  • github.com /nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.