[email protected]CVE-2016-6817

HistoryAug 10, 2017 - 10:29 p.m.

CVE-2016-6817

2017-08-1022:29:00

CWE-119

[email protected]

web.nvd.nist.gov

120

cve-2016-6817

apache tomcat

http/2

denial of service

vulnerability

nvd

security advisory

5 Medium

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

7.5 High

CVSS3

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

8 High

AI Score

Confidence

High

0.018 Low

EPSS

Percentile

88.2%

JSON

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

Affected configurations

Vulners

NVD

Node

apachetomcatRange9.0.0.M1–9.0.0.M11

apachetomcatRange8.5.0–8.5.6

CPENameOperatorVersion
apache:tomcatapache tomcateq8.5.0
apache:tomcatapache tomcateq8.5.1
apache:tomcatapache tomcateq8.5.2
apache:tomcatapache tomcateq8.5.3
apache:tomcatapache tomcateq8.5.4
apache:tomcatapache tomcateq8.5.5
apache:tomcatapache tomcateq8.5.6
apache:tomcatapache tomcateq9.0.0

CPE	Name	Operator	Version
apache:tomcat	apache tomcat	eq	8.5.0
apache:tomcat	apache tomcat	eq	8.5.1
apache:tomcat	apache tomcat	eq	8.5.2
apache:tomcat	apache tomcat	eq	8.5.3
apache:tomcat	apache tomcat	eq	8.5.4
apache:tomcat	apache tomcat	eq	8.5.5
apache:tomcat	apache tomcat	eq	8.5.6
apache:tomcat	apache tomcat	eq	9.0.0

CNA Affected

[
  {
    "product": "Apache Tomcat",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.0.M1 to 9.0.0.M11"
      },
      {
        "status": "affected",
        "version": "8.5.0 to 8.5.6"
      }
    ]
  }
]