NetGain Enterprise Manager 7.2.730 Build 1034 filenames path error

Summaryinfo

A vulnerability marked as critical has been reported in NetGain Enterprise Manager 7.2.730 Build 1034. The affected element is an unknown function of the component org.apache.jsp.u.jsp.restore.del_005fdo_jsp Servlet. Performing a manipulation of the argument filenames as part of Parameter results in path error. This vulnerability is known as CVE-2017-16593. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in NetGain Enterprise Manager 7.2.730 Build 1034. This affects an unknown code of the component org.apache.jsp.u.jsp.restore.del_005fdo_jsp Servlet. The manipulation of the argument filenames as part of a Parameter leads to a path error vulnerability. CWE is classifying the issue as CWE-417. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to delete 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.restore.del_005fdo_jsp servlet, which listens on TCP port 8081 by default. When parsing the filenames 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 delete any files accessible to the Administrator user. Was ZDI-CAN-5104.

The bug was discovered 12/13/2017. The weakness was published 01/23/2018 (Website). The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2017-16593 since 11/06/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, 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.

Similar entries are available at VDB-112309, VDB-112308, VDB-112307 and VDB-112306. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• NetGain

Name

• Enterprise Manager

Version

• 7.2.730 Build 1034

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion