Post-auth queries on compound index may crash mongod
CVE-2018-20802

6.5MEDIUM

Key Information:

Vendor
MongoDB
Status
Mongodb Server
Vendor
CVE Published:
23 November 2020

Summary

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.

Affected Version(s)

MongoDB Server 3.6 < 3.6.9

MongoDB Server 4.0 < 4.0.3

References

https://jira.mongodb.org/browse/SERVER-36993
x_refsource_CONFIRM

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.