SB2023041844 - Multiple vulnerabilities in Oracle Database Server
Published: April 18, 2023 Updated: May 23, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2022-45061)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of an unnecessary quadratic algorithm in one path when processing some inputs to the IDNA (RFC 3490) decoder. A remote attacker can pass a specially crafted name to he decoder, trigger resource excessive CPU consumption and perform a denial of service (DoS) attack.
2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2023-24998)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Apache Commons FileUpload does not limit the number of request parts. A remote attacker can initiate a series of uploads and perform a denial of service (DoS) attack.
3) Improper input validation (CVE-ID: CVE-2023-21918)
The vulnerability allows a remote privileged user to a crash the entire system.
The vulnerability exists due to improper input validation within the Oracle Database Recovery Manager in Oracle Database Server. A remote privileged user can exploit this vulnerability to a crash the entire system.
4) Improper input validation (CVE-ID: CVE-2023-21934)
The vulnerability allows a remote authenticated user to read and 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 read and manipulate data.
Remediation
Install update from vendor's website.