SB20230418170 - Multiple vulnerabilities in Oracle iLearning



SB20230418170 - Multiple vulnerabilities in Oracle iLearning

Published: April 18, 2023

Security Bulletin ID SB20230418170
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2020-17521)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for temporary files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.


2) Infinite loop (CVE-ID: CVE-2022-23437)

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

The vulnerability exists due to infinite loop when parsing XML documents. A remote attacker can supply a specially crafted XML document, consume all available system resources and cause denial of service conditions.


3) Improper input validation (CVE-ID: CVE-2021-2351)

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

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 execute arbitrary code.


Remediation

Install update from vendor's website.