CVE-2023-39961
3.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Summary
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versions 25.0.9, 26.0.4, and 27.0.1, 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. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nextcloud | security-advisories | >= 24.0.4, < 24.0.12.5 | affected |
| nextcloud | security-advisories | >= 25.0.0, < 25.0.9 | affected |
| nextcloud | security-advisories | >= 27.0.0, < 27.0.1 | affected |
| nextcloud | security-advisories | >= 26.0.0, < 26.0.4 | affected |
Weaknesses
- CWE-284: CWE-284: Improper Access Control
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qhgm-w4gx-gvgp
- https://github.com/nextcloud/text/pull/4481
- https://hackerone.com/reports/1965156
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qhgm-w4gx-gvgp
- https://github.com/nextcloud/text/pull/4481
- https://hackerone.com/reports/1965156
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