SB2020102951 - Multiple vulnerabilities in Oracle WebCenter Portal 



SB2020102951 - Multiple vulnerabilities in Oracle WebCenter Portal

Published: October 29, 2020

Security Bulletin ID SB2020102951
Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2020-9281)

The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Oracle Application Express in Oracle Database Server. A remote authenticated user can exploit this vulnerability to read and manipulate data.


2) Deserialization of Untrusted Data (CVE-ID: CVE-2019-10173)

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 in XML or JSON formats within the xstream API. 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.


3) Improper input validation (CVE-ID: CVE-2020-2555)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Caching,CacheStore,Invocation component in Oracle Coherence. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


4) Exposed dangerous method or function (CVE-ID: CVE-2020-10683)

The vulnerability allows a remote attacker to abuse implemented functionality.

The vulnerability exists due to dom4j allows by default external DTDs and External Entities. A remote attacker can abuse this functionality and perform XXE attack against application that uses dom4j default configuration.


Remediation

Install update from vendor's website.