Affected versions of minimist are vulnerable to prototype pollution. Arguments are not properly sanitized, allowing an attacker to modify the prototype of Object, causing the addition or modification of an existing property that will exist on all objects.
Parsing the argument --__proto__.y=Polluted adds a y property with value Polluted to all objects. The argument --__proto__=Polluted raises and uncaught error and crashes the application.
This is exploitable if attackers have control over the arguments being passed to minimist.
This PR contains the following updates:
0.0.8->0.2.4GitHub Vulnerability Alerts
CVE-2020-7598
Affected versions of
minimistare vulnerable to prototype pollution. Arguments are not properly sanitized, allowing an attacker to modify the prototype ofObject, causing the addition or modification of an existing property that will exist on all objects.Parsing the argument
--__proto__.y=Pollutedadds ayproperty with valuePollutedto all objects. The argument--__proto__=Pollutedraises and uncaught error and crashes the application.This is exploitable if attackers have control over the arguments being passed to
minimist.Recommendation
Upgrade to versions 0.2.1, 1.2.3 or later.
CVE-2021-44906
Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file
index.js, functionsetKey()(lines 69-95).Configuration
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