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GHSA-p6mc-m468-83gw

Prototype Pollution in lodash

Source: GitHub Advisory Database (reviewed) High CVE-2020-8203

Packages

EcosystemPackageAffectedFixed in
npm lodash >= 3.7.0, < 4.17.19 4.17.19
npm lodash-es >= 3.7.0, < 4.17.20 4.17.20
npm lodash.pick >= 4.0.0, <= 4.4.0 no fix listed
npm lodash.set >= 3.7.0, <= 4.3.2 no fix listed
npm lodash.setwith <= 4.3.2 no fix listed
npm lodash.update <= 4.10.2 no fix listed
npm lodash.updatewith <= 4.10.2 no fix listed
RubyGems lodash-rails >= 3.7.0, < 4.17.19 4.17.19

Details

As written in the advisory (Markdown source, shown as plain text).

Versions of lodash prior to 4.17.19 are vulnerable to Prototype Pollution. The functions `pick`, `set`, `setWith`, `update`, `updateWith`, and `zipObjectDeep` allow a malicious user to modify the prototype of Object if the property identifiers are user-supplied. Being affected by this issue requires manipulating objects based on user-provided property values or arrays. This vulnerability causes the addition or modification of an existing property that will exist on all objects and may lead to Denial of Service or Code Execution under specific circumstances.

References

External links from the advisory. They lead to third-party sites.