CVE-2018-16844

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 07-11-2018 03:29

Last modified: - 22-02-2022 08:27

Total changes: - 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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

None

Confidentiality

None

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

vendor=f5 AND product=NGINX AND versionStartIncluding=1.9.5 AND versionEndExcluding=1.14.1

vendor=f5 AND product=NGINX AND versionStartIncluding=1.15.0 AND versionEndExcluding=1.15.6

vendor=Debian AND product=debian_linux AND version=9.0

vendor=canonical AND product=ubuntu_linux AND version=18.04 AND software_edition=lts

vendor=canonical AND product=ubuntu_linux AND version=18.10

vendor=canonical AND product=ubuntu_linux AND version=14.04 AND software_edition=lts

vendor=canonical AND product=ubuntu_linux AND version=16.04 AND software_edition=lts

vendor=apple AND product=xcode AND versionEndExcluding=13.0

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844
http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html
USN-3812-1-Third Party Advisory
1042038-Third Party Advisory, VDB Entry
DSA-4335-Third Party Advisory
105868-Third Party Advisory, VDB Entry
RHSA-2018:3681-Third Party Advisory
RHSA-2018:3680-Third Party Advisory
openSUSE-SU-2019:2120-Third Party Advisory
https://support.apple.com/kb/HT212818
20210921 APPLE-SA-2021-09-20-4 Xcode 13-Mailing List, Third Party Advisory

Keywords

CVE-2018-16844

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2018-16844

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures