CVE-2017-14498 Information

Description

SilverStripe CMS before 3.6.1 has XSS via an SVG document that is mishandled by (1) the Insert Media option in the content editor or (2) an admin/assets/add pathname as demonstrated by the admin/pages/edit/EditorToolbar/MediaForm/field/AssetUploadField/upload URI aka issue SS-2017-017.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://lists.openwall.net/full-disclosure/2017/09/14/2 https://docs.silverstripe.org/en/3/changelogs/3.6.1 https://github.com/silverstripe/silverstripe-framework/commit/25b77a2ff8deabe8e8894002b9a5647eaec27b0a https://github.com/silverstripe/silverstripe-installer/commit/c25478bef75cc5482852e80a1fa6f1f0e6460e39

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1