LibreNMS 1.50.1 /pdf.php report path traversal

Summaryinfo

A vulnerability has been found in LibreNMS 1.50.1 and classified as critical. Affected by this issue is some unknown functionality of the file /pdf.php. Performing a manipulation of the argument report as part of Directory results in path traversal. This vulnerability is reported as CVE-2019-12464. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in LibreNMS 1.50.1. This affects an unknown part of the file /pdf.php. The manipulation of the argument report as part of a Directory leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in LibreNMS 1.50.1. An authenticated user can perform a directory traversal attack against the /pdf.php file with a partial filename in the report parameter, to cause local file inclusion resulting in code execution.

The weakness was disclosed 09/09/2019. This vulnerability is uniquely identified as CVE-2019-12464 since 05/30/2019. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

By approaching the search of inurl:pdf.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.

The entries VDB-141418, VDB-141416, VDB-141415 and VDB-141414 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• LibreNMS

Version

• 1.50.1

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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