Use of Incorrectly-Resolved Name or Reference in Nextcloud Server and Enterprise Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-28643 |
| CWE-ID | CWE-706 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Nextcloud Enterprise Server Client/Desktop applications / Messaging software Nextcloud Server Client/Desktop applications / Messaging software |
| Vendor | Nextcloud |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Use of Incorrectly-Resolved Name or Reference
EUVDB-ID: #VU74351
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-28643
CWE-ID:
CWE-706 - Use of Incorrectly-Resolved Name or Reference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to use of incorrectly-resolved name or reference. A remote user can cause share collision for recipients when caching is enabled.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNextcloud Enterprise Server: 24.0.0 - 25.0.2
Nextcloud Server: 24.0.0 - 25.0.2
External linkshttp://github.com/nextcloud/server/issues/34015
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4pr8-wm27
http://github.com/nextcloud/server/pull/36047
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
