SB2021072120 - Multiple vulnerabilities in Oracle Communications Network Charging and Control

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Main Vulnerability Database SB2021072120

SB2021072120 - Multiple vulnerabilities in Oracle Communications Network Charging and Control

Published: July 21, 2021 Updated: April 21, 2022

Security Bulletin ID SB2021072120
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-20227)

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing SELECT queries in "src/select.c" if a subquery with both a correlated WHERE clause and a "HAVING 0" clause is used and the parent query is an aggregate. A remote attacker can execute a specially crafted query to trigger a use-after-free error and execute arbitrary code on the system.

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


2) XML External Entity injection (CVE-ID: CVE-2020-25649)

The vulnerability allows a remote attacker to modify information on the system.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and modify information on the system.


Remediation

Install update from vendor's website.

References