CVE-2023-33990 : What You Need to Know
Learn about CVE-2023-33990, a Denial of Service vulnerability in SAP SQL Anywhere version 17.0 on Windows, impacting availability, confidentiality, and integrity. Find out how to mitigate the risks and apply necessary patches.
This article provides detailed information about CVE-2023-33990, a Denial of Service (DoS) vulnerability found in SAP SQL Anywhere version 17.0 on Windows.
Understanding CVE-2023-33990
CVE-2023-33990 is a vulnerability that allows an attacker to crash the SAP SQL Anywhere service on Windows, leading to a Denial of Service attack.
What is CVE-2023-33990?
SAP SQL Anywhere version 17.0 is susceptible to an attack where an attacker with low privileges can crash the service, preventing legitimate users from accessing it. The attacker can also write into shared memory objects, potentially modifying sensitive data.
The Impact of CVE-2023-33990
This vulnerability has a high impact on confidentiality, integrity, and availability. An attacker can exploit this issue to perform a Denial of Service attack and potentially manipulate critical data.
Technical Details of CVE-2023-33990
CVE-2023-33990 has the following technical details:
Vulnerability Description
The vulnerability arises from incorrect permission assignment for critical resources (CWE-732), allowing unauthorized users to crash the service and potentially modify shared memory objects.
Affected Systems and Versions
Only SAP SQL Anywhere version 17.0 on Windows is affected by this vulnerability. Other platforms are not impacted.
Exploitation Mechanism
An attacker with low privileges and local system access can exploit this vulnerability by crashing the service and writing into shared memory objects.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-33990, follow these steps:
Immediate Steps to Take
- Apply patches and updates provided by SAP for SAP SQL Anywhere version 17.0.
Long-Term Security Practices
- Implement least privilege access to restrict unauthorized users from writing into shared memory objects.
- Regularly monitor for any unusual activity on the SAP SQL Anywhere service.
Patching and Updates
Regularly check for security updates from SAP for SAP SQL Anywhere and apply them promptly to address any vulnerabilities.