CVE-2019-2392: $mod can result in undefined behavior

Published Nov 23, 2020
·
Updated

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use the $mod operator to overflow negative values. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.1; v4.2 versions prior to 4.2.9; v4.0 versions prior to 4.0.20; v3.6 versions prior to 3.6.20.

Affected Software

4 affected components
MongoDB MongoDB>=3.6.0<3.6.20
MongoDB MongoDB>=4.0.0<4.0.20
MongoDB MongoDB>=4.2.0<4.2.9
MongoDB MongoDB>=4.4.0<4.4.1

Event History

Nov 23, 2020
CVE Published
via MITRE·03:25 PM
Data Sourced
via MITRE·03:25 PM
DescriptionSeverityWeakness
Data Sourced
04:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2019-2392.

2

What is the severity of CVE-2019-2392?

The severity of CVE-2019-2392 is medium, with a severity value of 6.5.

3

What software versions are affected by CVE-2019-2392?

CVE-2019-2392 affects MongoDB Server v4.4 versions prior to 4.4.1; v4.2 versions prior to 4.2.9; v4.0 versions prior to 4.0.20; v3.6 versions prior to 3.6.20.

4

How can this vulnerability be exploited?

This vulnerability can be exploited by a user authorized to perform database queries by issuing specially crafted queries that use the $mod operator to overflow negative values.

5

Is there a fix available for CVE-2019-2392?

Yes, the fix for CVE-2019-2392 is included in MongoDB Server version 4.4.1, 4.2.9, 4.0.20, and 3.6.20.

Contact

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