CVE-2018-20803

Infinite loop in aggregation expression

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which loop indefinitely in mathematics processing while retaining locks. This issue affects MongoDB Server v4.0 versions prior to 4.0.5; MongoDB Server v3.6 versions prior to 3.6.10 and MongoDB Server v3.4 versions prior to 3.4.19.

Un usuario autorizado para realizar consultas en la base de datos puede desencadenar una denegación de servicio al emitir consultas especialmente diseñadas, que se repiten indefinidamente en el procesamiento matemático mientras retienen bloqueos. Este problema afecta a: MongoDB Server de MongoDB Inc versiones v4.0 anteriores a 4.0.5; versiones v3.6 anteriores a 3.6.10; versiones v3.4 anteriores a 3.4.19

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-15 CVE Reserved
2020-11-23 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://jira.mongodb.org/browse/SERVER-38070	2024-01-23

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mongodb Search vendor "Mongodb"		Mongodb Search vendor "Mongodb" for product "Mongodb"				>= 3.4.0 < 3.4.19 Search vendor "Mongodb" for product "Mongodb" and version " >= 3.4.0 < 3.4.19"		-		Affected
Mongodb Search vendor "Mongodb"		Mongodb Search vendor "Mongodb" for product "Mongodb"				>= 3.6.0 < 3.6.10 Search vendor "Mongodb" for product "Mongodb" and version " >= 3.6.0 < 3.6.10"		-		Affected
Mongodb Search vendor "Mongodb"		Mongodb Search vendor "Mongodb" for product "Mongodb"				>= 4.0.0 < 4.0.5 Search vendor "Mongodb" for product "Mongodb" and version " >= 4.0.0 < 4.0.5"		-		Affected