Trend Micro InterScan Web Security Virtual Appliance 6.5 FTP access control

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Trend Micro InterScan Web Security Virtual Appliance 6.5. It has been classified as critical. This affects an unknown part of the component FTP Handler. Performing a manipulation results in access control. This vulnerability is identified as CVE-2017-6338. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Trend Micro InterScan Web Security Virtual Appliance 6.5 (Anti-Malware Software). It has been classified as critical. This affects an unknown code block of the component FTP Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple Access Control issues in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 allow an authenticated, remote user with low privileges like 'Reports Only' or 'Auditor' to change FTP Access Control Settings, create or modify reports, or upload an HTTPS Decryption Certificate and Private Key.

The bug was discovered 04/04/2017. The weakness was released 04/05/2017 with Qualys (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-6338 since 02/26/2017. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99248 (Trend Micro IWSVA 6.5 < 6.5 Build 1746 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11731 (Trend Micro Interscan Web Security Virtual Appliance (IWSVA) Multiple Vulnerabilities).

Applying the patch CP 1746 is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42013), Tenable (99248) and SecurityFocus (BID 97482†). Entries connected to this vulnerability are available at VDB-97067, VDB-97068, VDB-97069 and VDB-97070. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Access control
CWE: 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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Nessus ID: 99248
Nessus Name: Trend Micro IWSVA 6.5 < 6.5 Build 1746 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: CP 1746

Timelineinfo

02/26/2017 🔍
03/28/2017 +30 days 🔍
04/04/2017 +7 days 🔍
04/04/2017 +0 days 🔍
04/05/2017 +1 days 🔍
04/05/2017 +0 days 🔍
04/06/2017 +1 days 🔍
04/07/2017 +1 days 🔍
09/24/2024 +2727 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: securityfocus.com⛔
Organization: Qualys
Status: Not defined

CVE: CVE-2017-6338 (🔍)
GCVE (CVE): GCVE-0-2017-6338
GCVE (VulDB): GCVE-100-99321
SecurityFocus: 97482 - Trend Micro InterScan Web Security Virtual Appliance Privilege Escalation Vulnerability
OSVDB: - CVE-2017-6338 - Trend Micro - IWSVA - Multiple Access Control Issues

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/06/2017 09:22
Updated: 09/24/2024 10:34
Changes: 04/06/2017 09:22 (71), 08/26/2020 06:53 (9), 09/24/2024 10:34 (16)
Complete: 🔍
Cache ID: 216:5DF:103

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