Monstra CMS 3.0.4 ZIP File unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Monstra CMS 3.0.4. It has been classified as critical. This affects an unknown function of the component ZIP File Handler. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2018-9037. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Monstra CMS 3.0.4 (Content Management System). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component ZIP File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Monstra CMS 3.0.4 allows remote code execution via an upload_file request for a .zip file, which is automatically extracted and may contain .php files.

The bug was discovered 03/28/2018. The weakness was released 04/10/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-9037 since 03/26/2018. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is possible to download the exploit 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 13 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44621). Entry connected to this vulnerability is available at VDB-115982. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 11015
OpenVAS Name: Monstra CMS <= 3.0.4 Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/26/2018 🔍
03/28/2018 +2 days 🔍
04/10/2018 +13 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +1 days 🔍
02/27/2023 +1783 days 🔍

Sourcesinfo

Advisory: 433
Status: Not defined

CVE: CVE-2018-9037 (🔍)
GCVE (CVE): GCVE-0-2018-9037
GCVE (VulDB): GCVE-100-115981
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/11/2018 09:33
Updated: 02/27/2023 13:02
Changes: 04/11/2018 09:33 (64), 01/23/2020 15:34 (4), 02/27/2023 13:02 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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