#VU36233 Cross-site scripting in Cacti - CVE-2018-20724

Vulnerability identifier: #VU36233

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-20724

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cacti
Web applications / Other software

Vendor: The Cacti Group, Inc.

Description

The vulnerability allows a remote privileged user to read and manipulate data.

A cross-site scripting (XSS) vulnerability exists in pollers.php in Cacti before 1.2.0 due to lack of escaping of unintended characters in the Website Hostname for Data Collectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cacti: 1.0.0 - 1.1.38

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External links
https://lists.opensuse.org/opensuse-security-announce/2020-03/msg00001.html
https://lists.opensuse.org/opensuse-security-announce/2020-03/msg00005.html
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00042.html
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00048.html
https://github.com/Cacti/cacti/blob/develop/CHANGELOG
https://github.com/Cacti/cacti/commit/1f42478506d83d188f68ce5ff41728a7bd159f53
https://github.com/Cacti/cacti/issues/2212

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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.