CVE-2017-11507

Public Exploit

Description

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.2.8x prior to 1.2.8p25 and 1.4.0x prior to 1.4.0p9, allowing an unauthenticated attacker to inject arbitrary HTML or JavaScript via the output_format parameter, and the username parameter of failed HTTP basic authentication attempts, which is returned unencoded in an internal server error page.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory mathias-kettner.com
Affected: Tenable Check_MK
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/security/research/tra-2017-20 third party advisory exploit
http://mathias-kettner.com/check_mk_werks.php?werk_id=7661 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-11507?
CVE-2017-11507 has been scored as a medium severity vulnerability.
How to fix CVE-2017-11507?
To fix CVE-2017-11507, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-11507 being actively exploited in the wild?
It is possible that CVE-2017-11507 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-11507?
CVE-2017-11507 affects Tenable Check_MK.
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