Denial of service in Rapid7 Metasploit

1) Input validation error

EUVDB-ID: #VU23863

Risk: Medium

CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:U/RC:C]

CVE-ID: CVE-2019-5645

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the HTTP(S) handler. A remote attacker can send a specially crafted HTTP request and trigger Gentle, Soft and Hard denial of service condition on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Metasploit: 5.0.20

External links

http://www.rapid7.com/db/modules/auxiliary/dos/http/metasploit_httphandler_dos

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.