VDB-118232 · CVE-2018-6232 · OpenVAS 830068

Trend Micro Maximum Security 2018 Driver tmnciesc.sys memory corruption

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Trend Micro Maximum Security 2018. This issue affects some unknown processing in the library tmnciesc.sys of the component Driver. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2018-6232. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Trend Micro Maximum Security 2018 (affected version not known). It has been rated as problematic. Affected by this issue is some unknown functionality in the library tmnciesc.sys of the component Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x22205C by the tmnciesc.sys driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The bug was discovered 04/06/2018. The weakness was disclosed 05/25/2018 (Website). The advisory is shared for download at esupport.trendmicro.com. This vulnerability is handled as CVE-2018-6232 since 01/25/2018. The attack needs to be approached locally. A simple authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/08/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 49 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 entries VDB-118233, VDB-118234, VDB-118235 and VDB-118236 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Trend Micro

Name

Maximum Security 2018

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 830068
OpenVAS Name: Trend Micro Maximum Security Multiple Vulnerabilities May18 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2018 🔍
04/06/2018 +71 days 🔍
05/25/2018 +48 days 🔍
05/25/2018 +0 days 🔍
05/25/2018 +0 days 🔍
02/08/2020 +624 days 🔍

Sourcesinfo

Vendor: trendmicro.com

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

CVE: CVE-2018-6232 (🔍)
GCVE (CVE): GCVE-0-2018-6232
GCVE (VulDB): GCVE-100-118232
See also: 🔍

Entryinfo

Created: 05/25/2018 23:52
Updated: 02/08/2020 21:23
Changes: 05/25/2018 23:52 (61), 02/08/2020 21:23 (2)
Complete: 🔍
Cache ID: 216::103

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