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CVE-2018-19837

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Date: December 4, 2018

In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of '%' as a modulo operator in parser.cpp.

Language: JS

Severity Score

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version kayrules/solatjakim-api-site - dev-version-1.0;oburatongoi/productivity - 0.0.13;oburatongoi/productivity - no_fix;oburatongoi/productivity - 0.0.1;ilhanet/erpnet-widget-resource - no_fix;pwptemplatepusintek - no_fix;oxid-esales/wave-theme - dev-oxscript-google-analytics;angellco/spoon - 3.2.5;mmi/mmi-cms - 2.3.1;zymawy/ironside-core - dev-utils;seidemann-web/wave-theme - dev-fixUpLanguageConstants;seidemann-web/wave-theme - dev-omage-theme;seidemann-web/wave-theme - no_fix;seidemann-web/wave-theme - dev-WT-36/Sticky-Header-Fixes;files.com/files-php-sdk - v1.0.7;MIDIator.WebClient - 1.0.105;doublesecretagency/craft-spoon - 3.2.5;chrisbraybrooke/laravel-ecommerce - dev-form-field-key;chrisbraybrooke/laravel-ecommerce - 0.0.17;chrisbraybrooke/laravel-ecommerce - 0.0.2;chrisbraybrooke/laravel-ecommerce - 0.0.56;PWPTemplateCMS - no_fix;node-sass - 4.14.0;trezebits/trezevel-gallery - no_fix;tombeachell/forza-magento - no_fix;Fable.Template.Elmish.React - 0.1.6;org.webjars.npm:node-sass:4.11.0;org.webjars.npm:bourbon-neat:2.1.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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