NetGain Enterprise Manager 7.2.730 Build 1034 filename File path error

Summaryinfo

A vulnerability categorized as critical has been discovered in NetGain Enterprise Manager 7.2.730 Build 1034. The affected element is an unknown function of the component org.apache.jsp.u.jsp.cnnic.asset.deviceReport.deviceReport_005fexport_005fdo_jsp Servlet. Such manipulation of the argument filename as part of Parameter leads to path error (File). This vulnerability is documented as CVE-2017-16604. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in NetGain Enterprise Manager 7.2.730 Build 1034 and classified as critical. Affected by this issue is an unknown functionality of the component org.apache.jsp.u.jsp.cnnic.asset.deviceReport.deviceReport_005fexport_005fdo_jsp Servlet. The manipulation of the argument filename as part of a Parameter leads to a path error vulnerability (File). Using CWE to declare the problem leads to CWE-417. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to overwrite 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.cnnic.asset.deviceReport.deviceReport_005fexport_005fdo_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 vulnerability to overwrite any files accessible to the Administrator. Was ZDI-CAN-5195.

The bug was discovered 12/13/2017. The weakness was released 01/23/2018 (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2017-16604 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 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.

Entries connected to this vulnerability are available at VDB-112320, VDB-112319, VDB-112318 and VDB-112317. Once again VulDB remains the best source 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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Once again VulDB remains the best source for vulnerability data.

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