PT-2023-8425 · Nextcloud+1 · Nextcloud Enterprise Server+3
Jerome-Herbinet
·
Published
2023-01-16
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Updated
2023-02-24
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CVE-2023-25159
CVSS v2.0
5.0
Medium
| Vector | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Nextcloud Server versions 24.0.x through 24.0.7
Nextcloud Server versions 25.0.x through 25.0.0
Nextcloud Enterprise Server versions 24.0.x through 24.0.7
Nextcloud Enterprise Server versions 25.0.x through 25.0.0
Nextcloud Office (Richdocuments) App versions 6.x through 6.3.0
Nextcloud Office (Richdocuments) App versions 7.x through 7.0.0
Description
The issue is related to incorrect access control in Nextcloud Server, allowing a remote attacker to gain unauthorized access to protected information. The problem is that previews are accessible without a watermark, and the download should be hidden with the watermark applied.
Recommendations
For Nextcloud Server versions 24.0.x through 24.0.7, update to version 24.0.8.
For Nextcloud Server versions 25.0.x through 25.0.0, update to version 25.0.1.
For Nextcloud Enterprise Server versions 24.0.x through 24.0.7, update to version 24.0.8.
For Nextcloud Enterprise Server versions 25.0.x through 25.0.0, update to version 25.0.1.
For Nextcloud Office (Richdocuments) App versions 6.x through 6.3.0, update to version 6.3.1.
For Nextcloud Office (Richdocuments) App versions 7.x through 7.0.0, update to version 7.0.1.
Exploit
Fix
Improper Access Control
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Nextcloud Enterprise Server
Nextcloud Office (Richdocuments) App
Nextcloud Server