Home/CVE/H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted H
CVE

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 H

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.

HIGH · CVSS 7.5 EPSS 0.01336
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
dena h2o<= 2.2.3
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Dec 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/h2o/h2o/issues/1544Third Party Advisory
https://jvn.jp/en/jp/JVN84182676/index.htmlThird Party AdvisoryVDB Entry
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