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| Rule General Information |
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| Release Date: | 2019-11-29 | |
| Rule Name: | LibreNMS addhost Command Injection Vulnerability (CVE-2018-20434) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling. | |
| Impact: | An attacker can execute arbitrary command via a successful exploit in the context of the vulnerable software. | |
| Affected OS: | Linux | |
| Reference: | http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d |
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| Solutions |
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| The vendors have released upgrade patches to fix vulnerabilities, please visit: https://www.librenms.org/ |