Bug 1900847 (CVE-2018-20802) - CVE-2018-20802 mongodb: Denial of service via crafted queries with compound indexes affecting QueryPlanner
Summary: CVE-2018-20802 mongodb: Denial of service via crafted queries with compound i...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-20802
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1900848
Blocks: 1900872
TreeView+ depends on / blocked
 
Reported: 2020-11-23 20:36 UTC by Pedro Sampaio
Modified: 2021-02-13 00:09 UTC (History)
26 users (show)

Fixed In Version: mongodb 3.6.9, mongodb 4.0.3, mongodb 4.1.4
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Environment:
Last Closed: 2020-12-04 23:02:51 UTC
Embargoed:


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Description Pedro Sampaio 2020-11-23 20:36:39 UTC
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 v3.6 versions prior to 3.6.9, v4.0 versions prior to 4.0.3.

Upstream bug:

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

Comment 1 Pedro Sampaio 2020-11-23 20:37:22 UTC
Created mongodb tracking bugs for this issue:

Affects: epel-all [bug 1900848]

Comment 2 Riccardo Schirone 2020-11-30 17:10:51 UTC
Upstream patch:
https://github.com/mongodb/mongo/commit/ee97c0699fd55b498310996ee002328e533681a3

Comment 3 Riccardo Schirone 2020-11-30 17:12:39 UTC
The flaw is in the ExprMatchExpression class. The version of mongodb as shipped in RHUI-3 does not contain that class, thus it is not affected by this flaw.

Comment 4 Yadnyawalk Tale 2020-11-30 17:35:59 UTC
Red Hat Satellite 6.6 onward does not ship the MongoDB package; however, the product consumes MongoDB from Red Hat Software Collections (RHSCL) for Red Hat Enterprise Linux. Satellite has no plans to update to a version of MongoDB released with a Server Side Public License (SSPL) which includes all versions released after October 16, 2018. Refer to this article for more information: https://access.redhat.com/articles/5767021

Comment 5 Product Security DevOps Team 2020-12-04 23:02:51 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-20802


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