Spiceworks Inventory 7.5 TFTP Server data\configurations access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Spiceworks Inventory 7.5. This issue affects some unknown processing of the file data\configurations of the component TFTP Server. Performing a manipulation results in access control. This vulnerability is known as CVE-2017-7237. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, was found in Spiceworks Inventory 7.5. This affects an unknown functionality of the file data\configurations of the component TFTP Server. 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 confidentiality, integrity, and availability. The summary by CVE is:

The Spiceworks TFTP Server, as distributed with Spiceworks Inventory 7.5, allows remote attackers to access the Spiceworks data\configurations directory by leveraging the unauthenticated nature of the TFTP service for all clients who can reach UDP port 69, as demonstrated by a WRQ (aka Write request) operation for a configuration file or an executable file.

The bug was discovered 04/05/2017. The weakness was published 04/06/2017 by John Page (hyp3rlinx) as EDB-ID 41825 as confirmed exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2017-7237 since 03/23/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by John Page (hyp3rlinx) and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:

c:\>tftp -i VICTIM-IP PUT someconfig someconfig

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the vulnerability database at Exploit-DB (41825). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: John Page (hyp3rlinx)
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/23/2017 🔍
04/05/2017 +13 days 🔍
04/05/2017 +0 days 🔍
04/05/2017 +0 days 🔍
04/06/2017 +1 days 🔍
04/06/2017 +0 days 🔍
04/06/2017 +0 days 🔍
08/27/2020 +1239 days 🔍

Sourcesinfo

Advisory: EDB-ID 41825
Researcher: John Page (hyp3rlinx)
Status: Confirmed

CVE: CVE-2017-7237 (🔍)
GCVE (CVE): GCVE-0-2017-7237
GCVE (VulDB): GCVE-100-99345
OSVDB: - CVE-2017-7237 - Spiceworks TFTP Server - File Overwrite Issue

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/06/2017 23:33
Updated: 08/27/2020 16:48
Changes: 04/06/2017 23:33 (72), 08/27/2020 16:48 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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