NextcloudGHSA-QHGM-W4GX-GVGPText does not respect "Allow download" permissions
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
Percentile
35.0%
Description
Impact
When a folder with images or an image was shared without download permissions, the user could add the image inline into a text file and download it.
Patches
It is recommended that the Nextcloud Server is upgraded to 25.0.9, 26.0.4 or 27.0.1
It is recommended that the Nextcloud Enterprise Server is upgraded to 24.0.12.5, 25.0.9, 26.0.4 or 27.0.1
Workarounds
- No workaround available
References
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at portal.nextcloud.com
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
Percentile
35.0%