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CVE-2017-14143

Status Candidate

Overview

The getUserzoneCookie function in Kaltura before 13.2.0 uses a hardcoded cookie secret to validate cookie signatures, which allows remote attackers to bypass an intended protection mechanism and consequently conduct PHP object injection attacks and execute arbitrary PHP code via a crafted userzone cookie.

Related Files

Kaltura Remote PHP Code Execution
Posted Jan 24, 2018
Authored by Robin Verton, Mehmet Ince | Site metasploit.com

This Metasploit module exploits an Object Injection vulnerability in Kaltura. By exploiting this vulnerability, unauthenticated users can execute arbitrary code under the context of the web server user. Kaltura makes use of a hard-coded cookie secret which allows to sign arbitrary cookie data. After passing this signature check, the base64- decoded data is passed to PHPs unserialize() function which allows for code execution. The constructed object is again based on the SektionEins Zend code execution POP chain PoC. Kaltura versions prior to 13.1.0 are affected by this issue. A valid entry_id (which is required for this exploit) can be obtained from any media resource published on the kaltura installation. This Metasploit module was tested against Kaltura 13.1.0-2 installed on Ubuntu 14.04.

tags | exploit, web, arbitrary, php, code execution
systems | linux, ubuntu
advisories | CVE-2017-14143
SHA-256 | da00d7666ebcac087d98220e64d9b76abb02af42dcd0af40a1090b15bf80f97d
Kaltura 13.1.0 Remote Code Execution
Posted Oct 23, 2017
Authored by Robin Verton

Kaltura versions 13.1.0 and below suffer from a remote code execution vulnerability.

tags | exploit, remote, code execution
advisories | CVE-2017-14143
SHA-256 | 73bbdc3dfb63fe71bff9b533363ded6daba1c5d251d456a8d077bb1e4caf737c
Kaltura 13.1.0 Code Execution / Cross Site Scripting
Posted Sep 23, 2017
Authored by Robin Verton

Kaltura versions 13.1.0 and below suffer from code execution and cross site scripting vulnerabilities.

tags | exploit, vulnerability, code execution, xss
advisories | CVE-2017-14141, CVE-2017-14142, CVE-2017-14143
SHA-256 | f13d7e1066f62d0ca0b0da505366a1d539c7943e2d61a9efc629ec92d9a34e9f
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