Denial of Service (DoS) Affecting com.typesafe.akka:akka-http-core_2.12 package, versions [10.0.0,10.0.14) [10.1.0,10.1.5)


0.0
high
  • Attack Complexity

    Low

  • Availability

    High

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  • snyk-id

    SNYK-JAVA-COMTYPESAFEAKKA-32493

  • published

    30 Aug 2018

  • disclosed

    30 Aug 2018

  • credit

    Unknown

How to fix?

Upgrade com.typesafe.akka:akka-http-core_2.12 to version 10.0.14, 10.1.5 or higher.

Overview

com.typesafe.akka:akka-http-core_2.12 is a Scala implementation of the akka-http-core library which provides a streaming-first HTTP server and client.

Affected versions of this package are vulnerable to Denial of Service (DoS). When using the decodeRequest function to handle gzip files, the withSizeLimit applies to the compressed size, but not the uncompressed size.

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