VDB-114666 · CVE-2018-6222 · EDB-ID 44166

Trend Micro Email Encryption Gateway 5.5 Command access control

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Trend Micro Email Encryption Gateway 5.5. It has been declared as critical. This affects an unknown part of the component Encryption. The manipulation as part of Command results in access control. This vulnerability is identified as CVE-2018-6222. The attack is only possible with local access. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Trend Micro Email Encryption Gateway 5.5. It has been classified as critical. Affected is some unknown processing of the component Encryption. The manipulation as part of a Command leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Arbitrary logs location in Trend Micro Email Encryption Gateway 5.5 could allow an attacker to change location of log files and be manipulated to execute arbitrary commands and attain command execution on a vulnerable system.

The bug was discovered 02/21/2018. The weakness was released 03/15/2018 as EDB-ID 44166 as confirmed exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2018-6222 since 01/25/2018. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

A public exploit has been developed by Core Security 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 22 days. During that time the estimated underground price was around $5k-$25k.

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 (44166). Entries connected to this vulnerability are available at VDB-114669, VDB-114663, VDB-114664 and VDB-114665. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Trend Micro

Name

Email Encryption Gateway

Version

License

commercial

Website

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

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Core Security
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2018 🔍
02/21/2018 +27 days 🔍
02/22/2018 +1 days 🔍
02/22/2018 +0 days 🔍
03/15/2018 +21 days 🔍
03/15/2018 +0 days 🔍
03/16/2018 +1 days 🔍
11/23/2024 +2444 days 🔍