CVE-2019-10665
Description
An issue was discovered in LibreNMS through 1.47. The scripts that handle the graphing options (html/includes/graphs/common.inc.php and html/includes/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 script. RRDtool syntax is quite versatile and an attacker could leverage this to perform a number of attacks, including disclosing directory structure and filenames, file content, denial of service, or writing arbitrary files.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
librenms/librenmsPackagist | <= 1.47 | — |
Affected products
3- LibreNMS/LibreNMSdescription
Patches
Vulnerability mechanics
References
4- www.darkmatter.ae/xen1thlabs/librenms-rrdtool-injection-vulnerability-xl-19-023/nvdExploitThird Party Advisory
- github.com/advisories/GHSA-q5rg-wg7h-73m5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-10665ghsaADVISORY
- www.darkmatter.ae/xen1thlabs/librenms-rrdtool-injection-vulnerability-xl-19-023ghsaWEB
News mentions
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