CVE-2017-9781

MEDIUM

Description

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.

References

http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob;f=.werks/4757;hb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1

https://www.tenable.com/security/research/tra-2017-21

Details

Source: MITRE

Published: 2017-06-21

Updated: 2017-11-04

Type: CWE-79

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Impact Score: 2.7

Exploitability Score: 2.8

Severity: MEDIUM