Multiple vulnerabilities in rConfig
| Risk | High |
| Patch available | NO |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-16663 CVE-2019-16662 |
| CWE-ID | CWE-78 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
rConfig Web applications / Remote management & hosting panels |
| Vendor | rConfig |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
Updated: 08.11.2019
Added references for vulnerability #2 and changed its CVSS score to reflect availability of a Metasploit module.
1) OS Command Injection
EUVDB-ID: #VU22513
Risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]
CVE-ID: CVE-2019-16663
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to the "catCommand" parameter is passed to the "exec" function without filtering. A remote authenticated attacker can send a specially crafted GET request to "search.crud.php" file and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: This vulnerability can be exploited without authentication for all versions before rConfig 3.6.0.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsrConfig: 1.0.0 - 3.9.2
External linkshttp://drive.google.com/open?id=1kQGmboKfwob4RwlMjnv6ER2Za1GUptOi
http://drive.google.com/open?id=1XmR2MSMb3cKARFk3XxmPkwz6GhAP1JxL
http://gist.github.com/mhaskar/e7e454c7cb0dd9a139b0a43691e258a0
http://rconfig.com/download
http://threatpost.com/critical-rce-flaw-in-rconfig/149847
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.
2) OS Command Injection
EUVDB-ID: #VU22514
Risk: High
CVSSv3.1: 9.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C]
CVE-ID: CVE-2019-16662
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to the "rootUname" parameter is passed to the "exec" function without filtering. A remote unauthenticated attacker can send a specially crafted GET request to "ajaxServerSettingsChk.php" file and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsrConfig: 1.0.0 - 3.9.2
External linkshttp://drive.google.com/file/d/1bTpTn4-alJ8qGCEATLq-oVM6HbhE65iY/view?usp=sharing
http://drive.google.com/open?id=1OXI5cNuwWqc6y-7BgNCfYHgFPK2cpvnu
http://gist.github.com/mhaskar/ceb65fa4ca57c3cdccc1edfe2390902e
http://rconfig.com/download
http://threatpost.com/critical-rce-flaw-in-rconfig/149847
http://github.com/rapid7/metasploit-framework/tree/master/modules/exploits/unix/webapp/rconfig_inst...
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.
