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CVE-2017-11507

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Date: December 11, 2017

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.

Language: PHP

Severity Score

Related Resources (4)

http://mathias-kettner.com/check_mk_werks.php?werk_id=7661
https://www.tenable.com/security/research/tra-2017-20
https://nvd.nist.gov/vuln/detail/CVE-2017-11507
https://www.mend.io/vulnerability-database/CVE-2017-11507

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH
Additional information:

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