CVE-2018-2433 : Security Advisory and Response
Learn about CVE-2018-2433, a Denial of Service vulnerability in SAP Gateway that allows attackers to disrupt legitimate users' access to services. Find mitigation steps and prevention measures.
SAP Gateway, including various versions such as SAP KERNEL 32 NUC, SAP KERNEL 32 Unicode, SAP KERNEL 64 NUC, SAP KERNEL 64 Unicode 7.21, 7.21EXT, 7.22 and 7.22EXT, as well as SAP KERNEL 7.21, 7.22, 7.45, 7.49 and 7.53, can be exploited by a malicious individual to obstruct authorized users from using a particular service. This obstruction can occur through actions like crashing or overwhelming the service.
Understanding CVE-2018-2433
This CVE involves a Denial of Service vulnerability in SAP Gateway.
What is CVE-2018-2433?
CVE-2018-2433 is a security vulnerability in SAP Gateway that allows attackers to disrupt legitimate users' access to a service by causing it to crash or flood.
The Impact of CVE-2018-2433
The vulnerability can lead to a Denial of Service (DoS) situation where authorized users are prevented from using the service due to malicious actions.
Technical Details of CVE-2018-2433
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in SAP Gateway allows attackers to obstruct authorized users from accessing a service by crashing or overwhelming it.
Affected Systems and Versions
- Product: SAP Gateway
- Vendor: SAP
- Affected Versions:
- SAP KERNEL 32 NUC 7.21, 7.21EXT, 7.22 and 7.22EXT
- SAP KERNEL 32 Unicode 7.21, 7.21EXT, 7.22 and 7.22EXT
- SAP KERNEL 64 NUC 7.21, 7.21EXT, 7.22 and 7.22EXT
- SAP KERNEL 64 Unicode 7.21, 7.21EXT, 7.22 and 7.22EXT
- SAP KERNEL 7.21, 7.22, 7.45, 7.49 and 7.53
Exploitation Mechanism
The vulnerability can be exploited by a malicious individual to disrupt the service, causing a Denial of Service situation for legitimate users.
Mitigation and Prevention
Protecting systems from CVE-2018-2433 is crucial to maintain security.
Immediate Steps to Take
- Apply security patches provided by SAP promptly.
- Monitor system logs for any unusual activities that could indicate an attack.
Long-Term Security Practices
- Regularly update and patch SAP Gateway to address security vulnerabilities.
- Implement network security measures to detect and prevent DoS attacks.
Patching and Updates
- Stay informed about security updates and patches released by SAP for SAP Gateway.
- Ensure timely implementation of patches to mitigate the risk of exploitation.