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CVE-2016-9461 Detail

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.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  4.3 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/97276 Third Party Advisory  VDB Entry 
https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc Issue Tracking  Patch  Third Party Advisory 
https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 Issue Tracking  Patch  Third Party Advisory 
https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e Issue Tracking  Patch  Third Party Advisory 
https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 Issue Tracking  Patch  Third Party Advisory 
https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 Issue Tracking  Patch  Third Party Advisory 
https://hackerone.com/reports/145950 Exploit  Third Party Advisory 
https://nextcloud.com/security/advisory/?id=nc-sa-2016-004 Patch  Vendor Advisory 
https://owncloud.org/security/advisory/?id=oc-sa-2016-014 Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-284 Improper Access Control cwe source acceptance level NIST  
CWE-275 Permission Issues Reference acceptance level HackerOne  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9461
NVD Published Date:
03/27/2017
NVD Last Modified:
10/09/2019
Source:
HackerOne