VDB-160592 · CVE-2020-24558 · GCVE-0-2020-24558

Trend Micro Apex One DLL out-of-bounds

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 described as critical has been identified in Trend Micro Apex One. This vulnerability affects unknown code of the component DLL Handler. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2020-24558. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Trend Micro Apex One (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component DLL Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in an Trend Micro Apex One dll may allow an attacker to manipulate it to cause an out-of-bounds read that crashes multiple processes in the product. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The weakness was disclosed 09/01/2020 (Website). The advisory is shared for download at success.trendmicro.com. This vulnerability is handled as CVE-2020-24558 since 08/20/2020. The attack needs to be approached locally. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/02/2020).

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

The entries VDB-160590, VDB-160591 and VDB-160593 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Endpoint Management Software

Vendor

Trend Micro

Name

Apex One

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/2020 🔍
09/01/2020 +12 days 🔍
09/02/2020 +1 days 🔍
09/02/2020 +0 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: success.trendmicro.com
Status: Not defined

CVE: CVE-2020-24558 (🔍)
GCVE (CVE): GCVE-0-2020-24558
GCVE (VulDB): GCVE-100-160592
See also: 🔍

Entryinfo

Created: 09/02/2020 08:04
Updated: 09/02/2020 08:09
Changes: 09/02/2020 08:04 (37), 09/02/2020 08:09 (17)
Complete: 🔍
Cache ID: 216::103

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