CVE-2020-7925
Title: Denial of Service when processing malformed Role names
Description: Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.0-rc12; v4.2 versions prior to 4.2.9.
CVSS score: 7.5 using the following scoring metrics:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-475: Undefined Behavior for Input to API
Affected versions:
This issue affects - MongoDB Inc. MongoDB Server:
- v4.4 versions prior to 4.4.0-rc12;
- v4.2 versions prior to 4.2.9.
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Due to a bug in the query planner it's possible to trip this invariant for certain types of queries.