SB20190115112 - Multiple vulnerabilities in Primavera Unifier



SB20190115112 - Multiple vulnerabilities in Primavera Unifier

Published: January 15, 2019

Security Bulletin ID SB20190115112
Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 50% High 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Remote code execution (CVE-ID: CVE-2018-14718)

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

The weakness exists due to the failure to block the slf4j-ext class from polymorphic deserialization. A remote attacker can execute arbitrary code with elevated privileges.

2) Arbitrary file upload (CVE-ID: CVE-2018-9206)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists in the plugin's source code that handles file uploads to PHP servers due to software allows upload of arbitrary files to the system. A remote unauthenticated attacker can upload arbitrary .htaccess file to impose security restrictions to its upload folder and upload backdoors and web shells.

Note: The vulnerability has been actively exploited for at least 3 years.

Remediation

Install update from vendor's website.