[CVE-2018-15877] Plainview Activity Monitor RCE

[Lydéric LEFEBVRE <lylefebvre.infosec@xxxxxxxxx>]

About:
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Component: Plainview Activity Monitor (Wordpress plugin)
Vulnerable version: 20161228 and possibly prior
Fixed version: 20180826
CVE-ID: CVE-2018-15877
CWE-ID: CWE-78
Author:
- Lydéric Lefebvre (https://www.linkedin.com/in/lydericlefebvre)

Timeline:
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- 2018/08/25: Vulnerability found
- 2018/08/25: CVE-ID request
- 2018/08/26: Reported to developer
- 2018/08/26: Fixed version
- 2018/08/26: Advisory published on GitHub
- 2018/08/26: Advisory sent to bugtraq mailing list

Description:
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Plainview Activity Monitor Wordpress plugin is vulnerable to OS
command injection which allows an attacker to remotely execute
commands on underlying system. Application passes unsafe user supplied
data to ip parameter into activities_overview.php.
Privileges are required in order to exploit this vulnerability, but
this plugin version is also vulnerable to CSRF attack and Reflected
XSS. Combined, these three vulnerabilities can lead to Remote Command
Execution just with an admin click on a malicious link.

References:
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https://github.com/aas-n/CVE/blob/master/CVE-2018-15877/