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Uncontrolled Recursion Affecting node-sass package, versions <4.8.0

Severity

 Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.22% (62nd percentile)

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  • Snyk ID SNYK-JS-NODESASS-535503
  • published 25 Nov 2019
  • disclosed 23 Jul 2017
  • credit Unknown
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Introduced: 23 Jul 2017

CVE-2017-11556 Open this link in a new tab
CWE-674 Open this link in a new tab

How to fix?

Upgrade node-sass to version 4.8.0 or higher.

Overview

node-sass is a Node.js bindings package for libsass.

Affected versions of this package are vulnerable to Uncontrolled Recursion. There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service. node-sass is affected by this vulnerability due to its bundled usage of libsass.

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