Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are...
Vulnerability Description
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would be executed.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-9459
Credits & Attribution
No credits recorded in the NVD database.
References
- https://owncloud.org/security/advisory?id=oc-sa-2016-012
- https://github.com/owncloud/core/commit/b7fa2c5dc945b40bc6ed0a9a0e47c282ebf043e1
- https://github.com/owncloud/core/commit/044ee072a647636b1a17c89265c7233b35371335
- https://hackerone.com/reports/146278
- https://github.com/owncloud/core/commit/efa35d621dc7ff975468e636a5d1c153511296dc
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-002
- https://github.com/nextcloud/server/commit/94975af6db1551c2d23136c2ea22866a5b416070
- http://www.securityfocus.com/bid/97284
