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CVE-2022-25851: Denial of Service (DoS) in jpeg-js | CVE-2022-25851 | Snyk

The package jpeg-js before 0.4.4 are vulnerable to Denial of Service (DoS) where a particular piece of input will cause to enter an infinite loop and never return.

CVE
#vulnerability#web#mac#ddos#dos#nodejs#js#git

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  • snyk-id

    SNYK-JS-JPEGJS-2859218

  • published

    7 Jun 2022

  • disclosed

    6 Jun 2022

  • credit

    Sohom Datta

How to fix?

Upgrade jpeg-js to version 0.4.4 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS) where a particular piece of input will cause to enter an infinite loop and never return.

PoC

  1. Create a npm workspace npm init
  2. Install the jpeg-js library
  3. Create a JS file with the following code: ```js const jpeg = require(‘jpeg-js’);

let buf = Buffer.from( 'ffd8ffc1f151d800ff51d800ffdaffde’, ‘hex’ ); jpeg.decode( buf );

``` 4) Run the file and observe that the code never stops running

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

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