Denial of Service (DoS) Affecting streebog package, versions <0.8.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-RUST-STREEBOG-480441
  • published7 Nov 2019
  • disclosed7 Nov 2019
  • creditUnknown

Introduced: 7 Nov 2019

CVE NOT AVAILABLE CWE-189  (opens in a new tab)

How to fix?

Upgrade streebog to version 0.8.0 or higher.

Overview

streebog is a rust implementation of the Streebog (GOST R 34.11-2012) hash function.

Affected versions of this package are vulnerable to Denial of Service (DoS). The Internal update-sigma function used by the package is implemented incorrectly causing a stack overflow and depending on debug-assertions it could cause an incorrect result to be produced or panic for certain inputs.

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

CVSS Scores

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