CVE-2016-6817

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2016-6817
  • Assigner
  • security@apache.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-08-10T22:29:00
  • Last Modified Date
  • 2019-04-15T16:30:49
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:tomcat:8.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:8.5.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m1:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m10:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m11:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m2:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m3:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m4:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m5:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m6:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m7:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m8:*:*:*:*:*:* 1 OR
cpe:2.3:a:apache:tomcat:9.0.0:m9:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E Vendor Advisory
http://www.securitytracker.com/id/1037330 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94462 Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20180607-0001/
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-6817
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6817
History
Created Old Value New Value Data Type Notes
2022-05-10 17:43:45 Added to TrackCVE
2022-12-02 19:52:31 2017-08-10T22:29Z 2017-08-10T22:29:00 CVE Published Date updated
2022-12-02 19:52:31 2019-04-15T16:30:49 CVE Modified Date updated
2022-12-02 19:52:31 Modified Vulnerability Status updated