SB2017112812 - Remote PHP code injection in Kaltura



SB2017112812 - Remote PHP code injection in Kaltura

Published: November 28, 2017

Security Bulletin ID SB2017112812
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of hard-coded credentials (CVE-ID: CVE-2017-14143)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to usage of hard-coded secret in "userzone" cookie in the getUserzoneCookie() function in "/lib/kalturaAction.class.php" file and deserialization of untrusted data in /modules/system/actions/helperAction.class.php and
/server/plugins/admin_console/kaltura_internal_tools/admin/KalturaInternalToolsSystemHelperAction.php files. A remote unauthenticated attacker can set the "userzone" cookie into "y3tAno3therS$cr3T" value and execute arbitrary PHP code on the target system with privileges of the current web server.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable server.



Remediation

Install update from vendor's website.