SB2023071932 - Multiple vulnerabilities in Oracle Database Server



SB2023071932 - Multiple vulnerabilities in Oracle Database Server

Published: July 19, 2023

Security Bulletin ID SB2023071932
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 40% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2023-22052)

The vulnerability allows a remote authenticated user to manipulate data.

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


2) Improper input validation (CVE-ID: CVE-2023-21949)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Advanced Networking Option in Oracle Database Server. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


3) Improper input validation (CVE-ID: CVE-2023-22034)

The vulnerability allows a remote privileged user to manipulate data.

The vulnerability exists due to improper input validation within the Unified Audit in Oracle Database Server. A remote privileged user can exploit this vulnerability to manipulate data.


4) Error Handling (CVE-ID: CVE-2023-23931)

The vulnerability allows an attacker to misuse Python API.

The vulnerability exists due to a soundness bug within the Cipher.update_into function, which can allow immutable objects (such as bytes) to be mutated. A malicious programmer can misuse Python API to introduce unexpected behavior into the application.


5) Use-after-free (CVE-ID: CVE-2022-43680)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.