NextcloudGHSA-8FJP-W9GP-J5HQDeck card reference caching can leak data to unauthorized users
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
EPSS
Percentile
21.3%
Description
Impact
When getting the reference preview for Deck cards the user has no access to, they could eventually get the cached data of a user that has access.
Patches
It is recommended that the Nextcloud app Deck is upgraded to 1.8.2
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 support.nextcloud.com
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
EPSS
Percentile
21.3%