PT-2023-32697 · H2O.Ai · H2O-3

Published 2023-12-14 · Updated 2026-04-16 · CVE-2023-6569

Positive Technologies (AI Summary)

CVSS v3.1

9.3

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions h2oai/h2o-3 (affected versions not specified)

Description The issue allows unauthenticated users to overwrite any file accessible to the user who executes h2o.init(), potentially resulting in a denial of service. Remote unauthenticated attackers can overwrite arbitrary server files with attacker-controllable data, although the data is not entirely arbitrary. The attacker's data is wrapped in quotations and starts with "C1" when exporting as CSV.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-73

CWE-610

Related Identifiers

CVE-2023-6569

GHSA-GQRQ-J6PM-98C2

Affected Products

H2O-3

References · 9

• 🔥 https://huntr.com/bounties/a5d003dc-c23e-4c98-8dcf-35ba9252fa3c · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-6569 · Security Note
• https://osv.dev/vulnerability/CVE-2023-6569 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-gqrq-j6pm-98c2 · Vendor Advisory
• https://github.com/h2oai/h2o-3/commit/e8884f5187eb81311877c5f0dd4d6d9c70f33d78 · Note
• https://github.com/h2oai/h2o-3 · Note
• https://twitter.com/Checkmarx/status/1735714572068327754 · Twitter Post
• https://t.me/cvenotify/63684 · Telegram Post
• https://twitter.com/pulsepatchio/status/2044617772261392812 · Twitter Post