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Vulnerability DatabaseCVE-2021-46661

CVE-2021-46661: 
MariaDB Server vulnerability analysis and mitigation

Overview

CVE-2021-46661 affects MariaDB through version 10.5.9, where an application crash can occur in findfieldintables and findorderinlist functions when processing an unused common table expression (CTE) (NVD, MariaDB Security).

Technical details

The vulnerability exists in MariaDB's query processing functionality where an unused common table expression (CTE) can trigger a crash in the findfieldintables and findorderinlist functions. The issue has a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating local access is required and the primary impact is on system availability (NVD).

Impact

When successfully exploited, this vulnerability can lead to a Denial of Service (DoS) condition through application crashes. The impact is limited to system availability, with no direct effect on confidentiality or integrity (NetApp Advisory).

Mitigation and workarounds

The vulnerability has been fixed in MariaDB versions 10.7.3, 10.6.7, 10.5.15, 10.4.24, 10.3.34, and 10.2.43. Users are advised to upgrade to these or later versions to address the vulnerability (MariaDB Security).

Additional resources

Source: This report was generated using AI

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