#VU9571 OS command injection in Cacti - CVE-2017-16641

Vulnerability identifier: #VU9571

Vulnerability risk: High

CVSSv4.0: 2.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Amber]

CVE-ID: CVE-2017-16641

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cacti
Web applications / Other software

Vendor: The Cacti Group, Inc.

Description

The vulnerability allows a remote high-privileged attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to an error in lib/rrd.php. A remote attacker can place the Log Path under the web root, make a specially crafted specially crafted action=save request containing the 'path_rrdtool' parameter to settings.php and execute arbitrary shell commands with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 1.1.28.

Vulnerable software versions

Cacti: 1.1.27

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External links
https://github.com/Cacti/cacti/issues/1057

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.