NetGain Enterprise Manager download.jsp information disclosure

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-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in NetGain Enterprise Manager. Affected by this vulnerability is an unknown functionality of the file download.jsp. This manipulation causes information disclosure. This vulnerability is handled as CVE-2017-16609. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in NetGain Enterprise Manager (version now known). Affected by this vulnerability is some unknown processing of the file download.jsp. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Netgain Enterprise Manager. Authentication is not required to exploit this vulnerability. The specific flaw exists within download.jsp. The issue results from the lack of proper validation of a user-supplied string before using it to download a file. An attacker can leverage this vulnerability to expose sensitive information. Was ZDI-CAN-4750.

The bug was discovered 12/13/2017. The weakness was released 01/23/2018 as ZDI-CAN-4750 (Website). The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2017-16609 since 11/06/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 40 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:download.jsp it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13141 (NetGain Enterprise Manager multiple vulnerabilities).

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

Entries connected to this vulnerability are available at VDB-112319, VDB-112320, VDB-112322 and VDB-112323. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2017 🔍
12/13/2017 +37 days 🔍
01/22/2018 +40 days 🔍
01/23/2018 +1 days 🔍
01/23/2018 +0 days 🔍
12/26/2019 +702 days 🔍

Sourcesinfo

Advisory: ZDI-CAN-4750
Status: Not defined

CVE: CVE-2017-16609 (🔍)
GCVE (CVE): GCVE-0-2017-16609
GCVE (VulDB): GCVE-100-112321
See also: 🔍

Entryinfo

Created: 01/23/2018 09:22
Updated: 12/26/2019 19:28
Changes: 01/23/2018 09:22 (59), 12/26/2019 19:28 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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