NetGain Enterprise Manager 7.2.730 Build 1034 filename path error

Summaryinfo

A vulnerability was found in NetGain Enterprise Manager 7.2.730 Build 1034. It has been rated as critical. Impacted is an unknown function of the component org.apache.jsp.u.jsp.settings.upload_005ffile_005fdo_jsp Servlet. This manipulation of the argument filename as part of Parameter causes path error. This vulnerability is registered as CVE-2017-16603. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in NetGain Enterprise Manager 7.2.730 Build 1034 and classified as critical. Affected by this vulnerability is an unknown function of the component org.apache.jsp.u.jsp.settings.upload_005ffile_005fdo_jsp Servlet. The manipulation of the argument filename as part of a Parameter leads to a path error vulnerability. The CWE definition for the vulnerability is CWE-417. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute code by creating arbitrary files 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 org.apache.jsp.u.jsp.settings.upload_005ffile_005fdo_jsp servlet, which listens on TCP port 8081 by default. When parsing the filename parameter, the process does not properly validate user-supplied data, which can allow for the upload of files. An attacker can leverage this vulnerability to execute code under the context of Administrator. Was ZDI-CAN-5194.

The bug was discovered 12/13/2017. The weakness was published 01/23/2018 (Website). It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2017-16603 since 11/06/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

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.

Similar entries are available at VDB-112319, VDB-112318, VDB-112317 and VDB-112316. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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