SB2019050909 - Insecure deserialization in Drupal implementation of Phar Stream Wrapper Interceptor 



SB2019050909 - Insecure deserialization in Drupal implementation of Phar Stream Wrapper Interceptor

Published: May 9, 2019

Security Bulletin ID SB2019050909
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) Deserialization of untrusted data (CVE-ID: CVE-2019-11831)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data passed via phar archives. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.