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Vulnerability DatabaseCVE-2019-15623

CVE-2019-15623: 
Linux openSUSE vulnerability analysis and mitigation

Overview

Exposure of Private Information vulnerability (CVE-2019-15623) was discovered in Nextcloud Server 16.0.1. The vulnerability causes the server to send its domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled (NVD, CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. This indicates that the vulnerability can be exploited over the network with low attack complexity, requires no privileges or user interaction, and can result in low confidentiality impact (NVD).

Impact

The vulnerability leads to exposure of private information, specifically the server's domain and user IDs, which are sent to the Nextcloud Lookup Server even when the Lookup server functionality is disabled (OpenSUSE).

Mitigation and workarounds

The vulnerability was fixed in Nextcloud version 15.0.14. Users are advised to upgrade to this version or later. The fix was included in security advisory NC-SA-2019-016 (OpenSUSE, Nextcloud).

Additional resources

Source: This report was generated using AI

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