VDB-118237 · CVE-2018-6237 · Qualys 370977

Trend Micro Smart Protection Server 3.x HTTP HTTP Requests resource consumption

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Trend Micro Smart Protection Server 3.x. It has been rated as problematic. This impacts an unknown function of the component HTTP Handler. This manipulation as part of HTTP Requests causes resource consumption. This vulnerability is tracked as CVE-2018-6237. The attack is possible to be carried out remotely. No exploit exists. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability has been found in Trend Micro Smart Protection Server 3.x and classified as problematic. Affected by this vulnerability is an unknown function of the component HTTP Handler. The manipulation as part of a HTTP Requests leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in Trend Micro Smart Protection Server (Standalone) 3.x could allow an unauthenticated remote attacker to manipulate the product to send a large number of specially crafted HTTP requests to potentially cause the file system to fill up, eventually causing a denial of service (DoS) situation.

The bug was discovered 05/04/2018. The weakness was disclosed 05/25/2018 (Website). The advisory is shared at success.trendmicro.com. This vulnerability is known as CVE-2018-6237 since 01/25/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370977 (Trend Micro Smart Protection Standalone Server multiple vulnerabilities).

Proper firewalling of is able to address this issue.

The entry VDB-118209 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Trend Micro

Name

Smart Protection Server

Version

License

commercial

Website

Vendor: https://www.trendmicro.com/

CPE 2.3info

🔍

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2018 🔍
05/04/2018 +99 days 🔍
05/25/2018 +20 days 🔍
05/25/2018 +0 days 🔍
05/25/2018 +0 days 🔍
02/09/2020 +625 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: success.trendmicro.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6237 (🔍)
GCVE (CVE): GCVE-0-2018-6237
GCVE (VulDB): GCVE-100-118237
See also: 🔍

Entryinfo

Created: 05/25/2018 23:52
Updated: 02/09/2020 07:09
Changes: 05/25/2018 23:52 (61), 02/09/2020 07:09 (2)
Complete: 🔍
Cache ID: 216::103

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