CVE-2018-20843

Published Jun 24, 2019

Last updated 8 days ago

Overview

Description
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
Source
cve@mitre.org
NVD status
Modified
Products
libexpat, ubuntu_linux, debian_linux, fedora, leap, hospitality_res_3700, http_server, outside_in_technology, nessus

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.8
Impact score
6.9
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:N/I:N/A:C

Weaknesses

nvd@nist.gov
CWE-611
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-611

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.