A vulnerability has been found in Nagios XI 5.5.6 (Log Management Software) and classified as problematic. Affected by this vulnerability is an unknown function of the file api_tool.php. The manipulation of the argument host as part of a Parameter leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Nagios XI 5.5.6 allows reflected cross site scripting from remote unauthenticated attackers via the host parameter in api_tool.php.

The bug was discovered 11/13/2018. The weakness was published 11/14/2018 (Website). The advisory is shared at tenable.com. This vulnerability is known as CVE-2018-15712 since 08/22/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:api_tool.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 126801, 126802, 126804 and 126806.

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Type

• Log Management Software

Name

• Nagios XI

Version

• 5.5.6

License

• commercial

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CPE 2.2info

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