Prototype Pollution in lodash
Versions of `lodash` before 4.17.5 are vulnerable to prototype pollution. The vulnerable functions are 'defaultsDeep', 'merge', and 'mergeWith' which allow a malicious user to modify the prototype of `Object` via `__proto__` causing the addition or modification of an existing property that will exist on all objects. ## Recommendation Update to version 4.17.5 or later.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2018-3721US | medium6.5 | — | ||
lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicio… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4aWEB
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/lodash-rails/CVE-2018-3721.ymlWEB
- https://hackerone.com/reports/310443WEB
- https://nvd.nist.gov/vuln/detail/CVE-2018-3721ADVISORY
- https://security.netapp.com/advisory/ntap-20190919-0004WEB
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