Denial of Service (DoS) Affecting github.com/ecnepsnai/web Open this link in a new tab package, versions >=1.4.0 <1.5.2


0.0
high
  • Attack Complexity

    Low

  • Availability

    High

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMECNEPSNAIWEB-1314357

  • published

    24 Jun 2021

  • disclosed

    23 Jun 2021

  • credit

    Unknown

Introduced: 23 Jun 2021

CWE-400 Open this link in a new tab

How to fix?

Upgrade github.com/ecnepsnai/web to version 1.5.2 or higher.

Overview

github.com/ecnepsnai/web is a Package web is a HTTP server for Golang applications.

Affected versions of this package are vulnerable to Denial of Service (DoS). Websocket requests did not call AuthenticateMethod. Depending on implementation, a denial-of-service or privilege escalation vulnerability may occur in software that uses the github.com/ecnepsnai/web package with Web Sockets that have an AuthenticateMethod.

The AuthenticateMethod is not called, and UserData will be nil in request methods. Attempts to read the UserData may result in a panic. This issue only affects web sockets where an AuthenticateMethod is supplied to the handle options. Users who do not use web sockets, or users who do not require authentication are not at risk.

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 ws package

References