CVE-2019-15624
Linux openSUSE vulnerability analysis and mitigation

Overview

Improper Input Validation vulnerability (CVE-2019-15624) was discovered in Nextcloud Server 15.0.7, allowing group administrators to create users with IDs of system folders. The vulnerability was disclosed and addressed in February 2020 (NVD, CVE).

Technical details

The vulnerability is classified as an Improper Input Validation (CWE-20) issue. It has a CVSS v3.1 Base Score of 4.9 (Medium), with an Impact Score of 3.6 and Exploitability Score of 1.2. The attack vector is Network-based, requires High privileges, and no user interaction, with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N (AttackerKB).

Impact

The vulnerability affects the integrity of the system by allowing group administrators to potentially interfere with system operations through the creation of users with system folder IDs. There is no impact on confidentiality or availability (AttackerKB).

Mitigation and workarounds

The vulnerability was patched in Nextcloud version 15.0.14. Users are advised to upgrade to this version or later. The fix was distributed through various channels including SUSE Package Hub for SUSE Linux Enterprise 12 and openSUSE Backports (OpenSUSE Security).

Additional resources


SourceThis report was generated using AI

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