CVE-2017-11507 — MEDIUM (6.1)

Vulnerability 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.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Check Mk Project	Check Mk	1.2.8

Related Weaknesses (CWE)

CWE-79

References

http://mathias-kettner.com/check_mk_werks.php?werk_id=7661Vendor Advisory
https://www.tenable.com/security/research/tra-2017-20ExploitThird Party Advisory
http://mathias-kettner.com/check_mk_werks.php?werk_id=7661Vendor Advisory
https://www.tenable.com/security/research/tra-2017-20ExploitThird Party Advisory

FAQ

What is CVE-2017-11507?

CVE-2017-11507 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...

How severe is CVE-2017-11507?

CVE-2017-11507 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-11507?

Check the references section above for vendor advisories and patch information. Affected products include: Check Mk Project Check Mk.