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Type:
Bug
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Resolution: Fixed
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Priority:
Critical - P2
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Affects Version/s: 3.6.7
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Component/s: Aggregation Framework
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Labels:None
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Fully Compatible
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ALL
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v4.0, v3.6
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Query 2018-09-24
Title: Post-auth queries on compound index may crash mongod
Description:
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 Inc. MongoDB Server v4.0 versions prior to 4.0.3; v3.6 versions prior to 3.6.9.
CVSS score:
This issue's CVSS:3.1 severity is scored at 6.5 using the following scoring metrics:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions:
MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.3; v3.6 versions prior to 3.6.9.
CWE: CWE-394: Unexpected Status Code or Return Value
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Opening to discuss the security impact of SERVER-36993, which affects 3.6.3 and later. This issue was externally identified and reported.
I believe this exploit can used in a denial of service attack against atlas free tier.