LibreNMS 1.50.1 Graphing Option common.inc.php code injection

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CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in LibreNMS 1.50.1. It has been rated as critical. Affected by this issue is some unknown functionality of the file includes/html/graphs/common.inc.php of the component Graphing Option Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-94. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in LibreNMS 1.50.1. The scripts that handle graphing options (includes/html/graphs/common.inc.php and includes/html/graphs/graphs.inc.php) do not sufficiently validate or encode several fields of user supplied input. Some parameters are filtered with mysqli_real_escape_string, which is only useful for preventing SQL injection attacks; other parameters are unfiltered. This allows an attacker to inject RRDtool syntax with newline characters via the html/graph.php and html/graph-realtime.php scripts. RRDtool syntax is quite versatile and an attacker could leverage this to perform a number of attacks, including disclosing directory structure and filenames, disclosing file content, denial of service, or writing arbitrary files. NOTE: relative to CVE-2019-10665, this requires authentication and the pathnames differ.

The weakness was released 09/09/2019. This vulnerability is handled as CVE-2019-12463 since 05/30/2019. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/16/2020).

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

Entries connected to this vulnerability are available at 141418, 141417, 141415 and 141414.

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-94
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
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0-Day Time: 🔍

Timelineinfoedit

05/30/2019 🔍
09/09/2019 +102 days 🔍
09/10/2019 +1 days 🔍
08/16/2020 +341 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-12463 (🔍)
See also: 🔍

Entryinfoedit

Created: 09/10/2019 07:06 AM
Updated: 08/16/2020 08:26 PM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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