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JpcertCVE-2016-4864

HistoryMay 12, 2017 - 6:29 p.m.

CVE-2016-4864

2017-05-1218:29:00

CWE-134

jpcert

web.nvd.nist.gov

cve-2016-4864

h2o

denial-of-service

dos

format string specifiers

fastcgi

mruby

proxy

redirect

reproxy

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

49.6%

JSON

H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.

Affected configurations

Nvd

Vulners

Node

denah2oRange2.0.0–2.0.3

denah2oMatch2.1.0

denah2oMatch2.1.0beta1

VendorProductVersionCPE
denah2o*cpe:2.3:a:dena:h2o:*:*:*:*:*:*:*:*
denah2o2.1.0cpe:2.3:a:dena:h2o:2.1.0:*:*:*:*:*:*:*
denah2o2.1.0cpe:2.3:a:dena:h2o:2.1.0:beta1:*:*:*:*:*:*

Vendor	Product	Version	CPE
dena	h2o	*	cpe:2.3:a:dena:h2o::::::::
dena	h2o	2.1.0	cpe:2.3:a:dena:h2o:2.1.0:::::::*
dena	h2o	2.1.0	cpe:2.3:a:dena:h2o:2.1.0:beta1::::::

CNA Affected

[
  {
    "product": "H2O",
    "vendor": "Kazuho Oku",
    "versions": [
      {
        "status": "affected",
        "version": "versions 2.0.3 and earlier"
      },
      {
        "status": "affected",
        "version": "versions 2.1.0-beta2 and earlier"
      }
    ]
  }
]