Input validation error in h2o - CVE-2017-10908
Published: December 22, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32049
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-10908
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Affected software
h2o
h2o (Alpine package)
h2o (Alpine package)
How to mitigate CVE-2017-10908
Install update from vendor's website.
h2o (Alpine package) - update to 2.2.4-r0