Vulnerability identifier: #VU49243

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-11803

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SpamTitan
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: TitanHQ

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation of the jaction parameter in mailqueue.php. A remote user can send a specially crafted request and execute arbitrary PHP code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SpamTitan: 7.07

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External links
http://packetstormsecurity.com/files/159218/SpamTitan-7.07-Remote-Code-Execution.html
http://github.com/felmoltor
http://sensepost.com/blog/2020/clash-of-the-spamtitan/
http://twitter.com/felmoltor
http://www.spamtitan.com/

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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.