CVE-2020-6243 : Security Advisory and Response

SAP Adaptive Server Enterprise (XP Server on Windows Platform) versions 15.7 and 16.0 are vulnerable to code injection due to a lack of necessary checks for authenticated users during extended stored procedure execution.

Understanding CVE-2020-6243

This CVE involves a high-severity vulnerability in SAP Adaptive Server Enterprise (XP Server on Windows Platform) that could allow an attacker to manipulate restricted data on connected servers through code injection.

What is CVE-2020-6243?

Under specific conditions, versions 15.7 and 16.0 of SAP Adaptive Server Enterprise (XP Server on Windows Platform) fail to conduct essential checks for authenticated users during extended stored procedure execution. This oversight enables attackers to access, modify, or delete restricted data on connected servers, potentially leading to code injection.

The Impact of CVE-2020-6243

The vulnerability poses a high risk with a CVSS base score of 8.0. The impact includes:

High confidentiality, integrity, and availability impact
Attack complexity is high, requiring network access
Low privileges required for exploitation
User interaction is necessary
Scope of the attack is changed

Technical Details of CVE-2020-6243

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in SAP Adaptive Server Enterprise (XP Server on Windows Platform) versions 15.7 and 16.0 allows attackers to perform code injection by bypassing necessary user authentication checks during extended stored procedure execution.

Affected Systems and Versions

Product: SAP Adaptive Server Enterprise (XP Server on Windows Platform)
Vendor: SAP SE
Vulnerable Versions: < 15.7, < 16.0

Exploitation Mechanism

Attackers can exploit this vulnerability by executing extended stored procedures without proper authentication, enabling them to manipulate restricted data on connected servers through code injection.

Mitigation and Prevention

Protecting systems from CVE-2020-6243 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly
Monitor and restrict network access to vulnerable systems
Implement strong authentication mechanisms

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities
Conduct security assessments and audits to identify and mitigate risks
Educate users on secure coding practices and awareness

Patching and Updates

Ensure timely installation of security patches and updates provided by SAP to address the vulnerability in affected versions of SAP Adaptive Server Enterprise (XP Server on Windows Platform).