CVE-2024-32866

Conform contains Prototype Pollution Vulnerability in `parseWith...` function

CVSS 8.6 HIGHEPSS 0.7%CWE-1321

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Apr 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Conform, a type-safe form validation library, allows the parsing of nested objects in the form of `object.property`. Due to an improper implementation of this feature in versions prior to 1.1.1, an attacker can exploit the feature to trigger prototype pollution by passing a crafted input to `parseWith...` functions. Applications that use conform for server-side validation of form data or URL parameters are affected by this vulnerability. Version 1.1.1 contains a patch for the issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

edmundhung · conform

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References

https://github.com/edmundhung/conform/blob/59156d7115a7207fa3b6f8a70a4342a9b24c2501/packages/conform-dom/formdata.ts#L117 https://github.com/edmundhung/conform/commit/4819d51b5a53fd5486fc85c17cdc148eb160e3de https://github.com/edmundhung/conform/security/advisories/GHSA-624g-8qjg-8qxf