CVE-2018-19791

Published Dec 3, 2018

Last updated 4 days ago

Overview

Description
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring.
Source
cve@mitre.org
NVD status
Modified

Risk scores

CVSS 3.0

Type
Primary
Base score
6.5
Impact score
3.6
Exploitability score
2.8
Vector string
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
4
Impact score
2.9
Exploitability score
8
Vector string
AV:N/AC:L/Au:S/C:N/I:N/A:P

Weaknesses

nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations