NetGain Enterprise Manager 7.2.730 Build 1034 common.download_jsp Servlet filename information disclosure

Summaryinfo

A vulnerability labeled as critical has been found in NetGain Enterprise Manager 7.2.730 Build 1034. Impacted is an unknown function of the component common.download_jsp Servlet. Such manipulation of the argument filename as part of Parameter leads to information disclosure. This vulnerability is traded as CVE-2017-16592. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in NetGain Enterprise Manager 7.2.730 Build 1034. Affected by this issue is an unknown part of the component common.download_jsp Servlet. The manipulation of the argument filename as part of a Parameter leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of NetGain Systems Enterprise Manager 7.2.730 build 1034. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the common.download_jsp servlet, which listens on TCP port 8081 by default. When parsing the filename parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of Administrator. Was ZDI-CAN-5103.

The bug was discovered 12/13/2017. The weakness was shared 01/23/2018 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2017-16592 since 11/06/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

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.

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

The entries VDB-112308, VDB-112307, VDB-112306 and VDB-112305 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• NetGain

Name

• Enterprise Manager

Version

• 7.2.730 Build 1034

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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