CVE-2018-16844

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
Overview
  • CVE ID
  • CVE-2018-16844
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-07T14:29:00
  • Last Modified Date
  • 2022-02-22T19:27:12
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* 1 OR 1.9.5 1.14.1
cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* 1 OR 1.15.0 1.15.6
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* 1 OR 13.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844 Issue Tracking
http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html Mailing List Vendor Advisory
https://usn.ubuntu.com/3812-1/ Third Party Advisory
http://www.securitytracker.com/id/1042038 Third Party Advisory VDB Entry
https://www.debian.org/security/2018/dsa-4335 Third Party Advisory
http://www.securityfocus.com/bid/105868 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3681 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3680 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html Third Party Advisory
https://support.apple.com/kb/HT212818 Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-16844
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16844
History
Created Old Value New Value Data Type Notes
2022-05-10 06:31:53 Added to TrackCVE
2022-12-03 14:09:00 2018-11-07T14:29Z 2018-11-07T14:29:00 CVE Published Date updated
2022-12-03 14:09:00 2022-02-22T19:27:12 CVE Modified Date updated
2022-12-03 14:09:00 Analyzed Vulnerability Status updated