Improper input validation in Dena H2o

CVE-2017-10908

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2 header.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (80.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dena H2o
Kazuho Oku H2o — versions version 2.2.3 and earlier

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

vultures@jpcert.or.jp (x_refsource_CONFIRM, Third Party Advisory)
vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, x_refsource_JVN, third-party-advisory)

Frequently asked questions

What is CVE-2017-10908?: CVE-2017-10908 is a high-severity vulnerability in Dena H2o, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-12-22.
How severe is CVE-2017-10908?: High severity. CVSS v3 base score is 7.5 out of 10.