SB2019011587 - Multiple vulnerabilities in Oracle FLEXCUBE Investor Servicing



SB2019011587 - Multiple vulnerabilities in Oracle FLEXCUBE Investor Servicing

Published: January 15, 2019

Security Bulletin ID SB2019011587
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) XXE attack (CVE-ID: CVE-2018-1000632)

The vulnerability allows a remote attacker to conduct XXE attack on the target system.

The vulnerability exists due to improper sanitization of elements and attribute names in XML documents. A remote attacker can trick the victim into opening a specially crafted XML document that submits malicious input, perform XXE attack and bypass security restrictions to access and modify sensitive information on the system.


2) Deserialization of untrusted data (CVE-ID: CVE-2017-5645)

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

The weakness exists receiving serialized log events from another application when using the TCP socket server or UDP socket server. A remote attacker can submit a specially crafted binary payload, when deserialized, and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.