Debut Embedded http Server 1.20 HTTP Request access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability classified as problematic has been found in Debut Embedded http Server 1.20 (Web Server). Affected is an unknown code of the component HTTP Request Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on availability. CVE summarizes:

The Debut embedded http server 1.20 contains a remotely exploitable denial of service where a single malformed HTTP request can cause the server to hang until eventually replying with an HTTP 500 error. While the server is hung, print jobs over the network are blocked and the web interface is inaccessible. An attacker can continuously send this malformed request to keep the device inaccessible to legitimate traffic. NOTE: this might overlap CVE-2017-12568.

The bug was discovered 11/02/2017. The weakness was published 11/10/2017 as EDB-ID 43119 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2017-16249 since 10/31/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 104900 (Brother Printer Debut embedded httpd <= 1.20 DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

It is possible to mitigate the weakness by firewalling . A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104900) and Exploit-DB (43119).

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104900
Nessus Name: Brother Printer Debut embedded httpd <= 1.20 DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870300
OpenVAS Name: Debut Embedded Server DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: brother_debut_dos.rb
MetaSploit Name: Brother Debut http Denial Of Service
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

10/31/2017 🔍
11/02/2017 +2 days 🔍
11/02/2017 +0 days 🔍
11/09/2017 +7 days 🔍
11/10/2017 +1 days 🔍
11/10/2017 +0 days 🔍
11/10/2017 +0 days 🔍
11/10/2017 +0 days 🔍
11/30/2017 +20 days 🔍
12/05/2019 +735 days 🔍

Sourcesinfo

Advisory: EDB-ID 43119
Status: Not defined

CVE: CVE-2017-16249 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/10/2017 12:33
Updated: 12/05/2019 13:33
Changes: 11/10/2017 12:33 (75), 12/05/2019 13:33 (5)
Complete: 🔍
Cache ID: 3:20C:103

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