Tag: Privilege Escalation

Privilege escalation is the act of exploiting a bug, design flaw or configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user.

SSD Advisory – Trend Micro Interscan Web Security Virtual Appliance Multiple Vulnerabilities

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Vulnerabilities Summary
The following advisory describes three (3) vulnerabilities found in Trend Micro Interscan Web Security Virtual Appliance version 6.5.

“The Trend Micro Hybrid Cloud Security solution, powered by XGen security, delivers a blend of cross-generational threat defense techniques that have been optimized to protect physical, virtual, and cloud workloads.”

The vulnerabilities found in Trend Micro Interscan Web Security Virtual Appliance:

  1. XML External Entity (XXE) that lead to arbitrary file disclosure
  2. Local Privilege Escalation
  3. Remote code execution

Credit
An independent security researcher has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Vendor response
Trend Micro has released patches to address these vulnerabilities and issued the following advisory: https://success.trendmicro.com/solution/1117412

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SSD Advisory – Serviio Media Server Multiple Vulnerabilities

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Vulnerabilities Summary
The following advisory describes a five (5) vulnerabilities found in Serviio Media Server. Affected version: 1.8.0.0 PRO, 1.7.1, 1.7.0, 1.6.1.

Serviio is a free media server. It allows you to stream your media files (music, video or images) to renderer devices (e.g. a TV set, Bluray player, games console or mobile phone) on your connected home network.

Serviio works with many devices from your connected home (TV, Playstation 3, XBox 360, smart phones, tablets, etc.). It supports profiles for particular devices so that it can be tuned to maximise the device’s potential and/or minimize lack of media format playback support (via transcoding).

Serviio is based on Java technology and therefore runs on most platforms, including Windows, Mac and Linux (incl. embedded systems, e.g. NAS).

The vulnerabilities found in Serviio Media Server are:

  • Remote Code Execution
  • Local Privilege Escalation
  • Unauthenticated Password Modification
  • Information Disclosure
  • DOM-Based Cross-Site Scripting (XSS)

Credit
An independent security researcher Gjoko Krstic from Zero Science Lab has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Vendor Response
We have tried on numerous occasions over the past two months to contact the vendor, all emails sent to them went unanswered.

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SSD Advisory – Ubuntu LightDM Guest Account Local Privilege Escalation

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Vulnerability Summary
The following advisory describes a local privilege escalation via LightDM found in Ubuntu versions 16.10 / 16.04 LTS.

Ubuntu is an open source software platform that runs everywhere from IoT devices, the smartphone, the tablet and the PC to the server and the cloud. LightDM is an X display manager that aims to be lightweight, fast, extensible and multi-desktop. It uses various front-ends to draw login interfaces, also called Greeters.

Credit
An independent security researcher, G. Geshev (@munmap), has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program

Vendor Responses
The vendor has released a patch to address this issue.
For more information: https://www.ubuntu.com/usn/usn-3255-1/

CVE Details
CVE-2017-7358

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SSD Advisory – Sentora Web Hosting Control Panel Multiple Vulnerabilities

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Vulnerabilities Summary
The following advisory describes two (2) vulnerabilities found in Sentora Web Hosting Control Panel that lead to remote code execution.

Sentora is a free to download and use web hosting control panel developed for Linux, UNIX and BSD based servers or computers. The Sentora software can turn a domestic or commercial server into a fully fledged, easy to use and manage web hosting server.

The vulnerabilities found in Sentora Web Hosting Control Panel are:

  • Authenticated Code Execution
  • Privilege Escalation

Credit
An independent security researcher has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Vendor Response
The vendor has released an new version of the product which addressed the vulnerabilities.

Continue reading SSD Advisory – Sentora Web Hosting Control Panel Multiple Vulnerabilities