#VU37600 Information disclosure in Enterprise Manager - CVE-2017-16591

Vulnerability identifier: #VU37600

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-16591

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Enterprise Manager
Client/Desktop applications / Other client software

Vendor: F5 Networks

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of NetGain Systems Enterprise Manager 7.2.699 build 1001. 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.download_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 in conjunction with other vulnerabilities to execute code in the context of Administrator. Was ZDI-CAN-5100.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Enterprise Manager: 7.2.699

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External links
https://zerodayinitiative.com/advisories/ZDI-17-956

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.