Vulnerability Details : CVE-2016-9465
Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDAV image export functionality as implemented in Nextcloud/ownCloud allows the download of images stored within a vCard. Due to not performing any kind of verification on the image content this is prone to a stored Cross-Site Scripting attack.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2016-9465
- cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
- cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9465
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9465
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2016-9465
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2016-9465
-
https://nextcloud.com/security/advisory/?id=nc-sa-2016-008
advisory – NextcloudPatch;Vendor Advisory
-
https://owncloud.org/security/advisory/?id=oc-sa-2016-018
Security Advisories – ownCloudPatch;Vendor Advisory
-
https://github.com/owncloud/core/commit/b5a5be24c418033cb2ef965a4f3f06b7b4213845
[stable9.1] Merge pull request #26459 from owncloud/limit-carddav-ima… · owncloud/core@b5a5be2 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://github.com/owncloud/core/commit/6bf3be3877d9d9fda9c66926fe273fe79cbaf58e
[stable9.1] Merge pull request #26459 from owncloud/limit-carddav-ima… · owncloud/core@6bf3be3 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0
Filter more mimetypes · nextcloud/server@68ab832 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://hackerone.com/reports/163338
#163338 \OCA\DAV\CardDAV\ImageExportPlugin allows serving arbitrary data with user-defined or empty mimetypeExploit;Third Party Advisory
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