Websense Appliance Manager up to 7.8.2 Network Diagnostics Tool Destination command injection

Summaryinfo

A vulnerability labeled as critical has been found in Websense Appliance Manager up to 7.8.2. This impacts an unknown function of the component Network Diagnostics Tool. The manipulation of the argument Destination results in command injection. This vulnerability is known as CVE-2015-2746. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Websense Appliance Manager up to 7.8.2. It has been classified as critical. Affected is an unknown part of the component Network Diagnostics Tool. The manipulation of the argument Destination with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

The network diagnostics tool (CommandLineServlet) in the Appliance Manager command line utility (CLU) in Websense TRITON 7.8.3 and V-Series appliances before 7.8.4 Hotfix 02 allows remote authenticated users to execute arbitrary commands via shell metacharacters in the "second" parameter of a command, as demonstrated by the Destination parameter in the ping command.

The weakness was published 03/26/2015 (Website). The advisory is available at securify.nl. This vulnerability is traded as CVE-2015-2746 since 03/26/2015. It is possible to launch the attack remotely. A authentication is necessary for exploitation. Technical details and a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

A public exploit has been developed by Han Sahin and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 83739 (Websense TRITON 7.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 7.8.3 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (36423), Tenable (83739) and SecurityFocus (BID 73233†). Similar entries are available at VDB-74056, VDB-74057, VDB-74059 and VDB-74061. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Websense

Name

• Appliance Manager

Version

• 7.8.0
• 7.8.1
• 7.8.2

License

• commercial

Website

• Vendor: https://www.forcepoint.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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