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CVE-2024-8062: Denial of Service in h2oai/h2o-3

7.5 CVSS

Description

A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a `HEAD` request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controlled server that hangs, causing the application to block and become unresponsive to other requests.

Classification

CVE ID: CVE-2024-8062

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types

CWE-1088 Synchronous Access of Remote Resource without Timeout

Affected Products

Vendor: h2oai

Product: h2oai/h2o-3

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 13.72% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2024-8062
https://huntr.com/bounties/a04190d9-4acb-449a-9a7f-f1bf6be1ed23

Timeline