Moderate severityNVD Advisory· Published Nov 16, 2020· Updated Sep 17, 2024
Prototype Pollution
CVE-2020-7765
Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@firebase/utilnpm | < 0.3.4 | 0.3.4 |
Affected products
2- @firebase/util/@firebase/utildescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-fpm5-vv97-jfwgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-7765ghsaADVISORY
- github.com/firebase/firebase-js-sdk/commit/9cf727fcc3d049551b16ae0698ac33dc2fe45adaghsax_refsource_MISCWEB
- github.com/firebase/firebase-js-sdk/pull/4001ghsax_refsource_MISCWEB
- snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324ghsax_refsource_MISCWEB
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