Authorization session conflation
CVE-2019-2386

7.1HIGH

Key Information:

Vendor

MongoDB
Status
Mongodb Server
Vendor
CVE Published:
6 August 2019

What is CVE-2019-2386?

After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.

Workaround: After deleting one or more users, restart any nodes which may have had active user authorization sessions.

Refrain from creating user accounts with the same name as previously deleted accounts.

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Affected Version(s)

MongoDB Server 4.0 < 4.0.9

MongoDB Server 3.6 < 3.6.13

MongoDB Server 3.4 < 3.4.22

References

https://jira.mongodb.org/browse/SERVER-38984
x_refsource_CONFIRM
https://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Mitch Wasson of Cisco's Advanced Malware Protection Group.
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