Denial of Service (DoS) Affecting mongo-express package, versions <1.0.1
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Test your applications- Snyk ID SNYK-JS-MONGOEXPRESS-1085403
- published 13 Apr 2021
- disclosed 12 Mar 2021
- credit Trong Nhan Mai, François Gauthier, Behnaz Hassanshahi
Introduced: 12 Mar 2021
CVE-2021-23372 Open this link in a new tabHow to fix?
Upgrade mongo-express to version 1.0.1 or higher.
Overview
mongo-express is a web-based MongoDB admin interface written with Node.js, Express and Bootstrap3
Affected versions of this package are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
Details
Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users.
Unlike other vulnerabilities, DoS attacks usually do not aim at breaching security. Rather, they are focused on making websites and services unavailable to genuine users resulting in downtime.
One popular Denial of Service vulnerability is DDoS (a Distributed Denial of Service), an attack that attempts to clog network pipes to the system by generating a large volume of traffic from many machines.
When it comes to open source libraries, DoS vulnerabilities allow attackers to trigger such a crash or crippling of the service by using a flaw either in the application code or from the use of open source libraries.
Two common types of DoS vulnerabilities:
High CPU/Memory Consumption- An attacker sending crafted requests that could cause the system to take a disproportionate amount of time to process. For example, commons-fileupload:commons-fileupload.
Crash - An attacker sending crafted requests that could cause the system to crash. For Example, npm
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