Regular Expression Denial of Service (ReDoS) Affecting jshamcrest package, versions *


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.14% (51st percentile)

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  • Snyk ID npm:jshamcrest:20160105
  • published 6 Jan 2016
  • disclosed 5 Jan 2016
  • credit Adam Baldwin

Overview

jshamcrest's email address validator is vulnerable to regular expression denial of service (ReDoS) attack.

Details

"The Regular expression Denial of Service (ReDoS) is a Denial of Service attack, that exploits the fact that most Regular Expression implementations may reach extreme situations that cause them to work very slowly (exponentially related to input size). An attacker can then cause a program using a Regular Expression to enter these extreme situations and then hang for a very long time." [1]

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

NVD

7.5 high