CVE-2022-27668 : Security Advisory and Response

A vulnerability has been identified in SAP NetWeaver and ABAP Platform that could allow an unauthenticated attacker to execute SAProuter administration commands, potentially impacting system availability.

Understanding CVE-2022-27668

This CVE describes an improper access control issue in SAP NetWeaver and ABAP Platform that could be exploited by unauthorized actors to run SAProuter administration commands.

What is CVE-2022-27668?

Depending on the configuration of the route permission table in the 'saprouttab' file, an unauthenticated attacker could remotely execute commands such as stopping the SAProuter on affected versions.

The Impact of CVE-2022-27668

The vulnerability poses a critical risk as attackers can disrupt system availability by executing unauthorized SAProuter commands remotely.

Technical Details of CVE-2022-27668

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises due to improper access control, allowing unauthorized execution of SAProuter commands on affected SAP NetWeaver and ABAP Platform versions.

Affected Systems and Versions

The vulnerability impacts multiple versions including KERNEL 7.49, 7.77, 7.81, 7.85, 7.86, 7.87, 7.88, KRNL64NUC 7.49, KRNL64UC 7.49, SAP_ROUTER 7.53, and 7.22.

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating the 'saprouttab' file to gain unauthorized access to SAProuter commands remotely.

Mitigation and Prevention

To secure your systems from CVE-2022-27668, follow the mitigation strategies below.

Immediate Steps to Take

Review and update the permissions in the 'saprouttab' file to restrict unauthorized access.
Implement strong authentication mechanisms to prevent unauthorized logins.

Long-Term Security Practices

Regularly monitor and audit SAProuter configurations for any unauthorized changes.
Stay informed about security updates and patches released by SAP for timely mitigation.

Patching and Updates

Apply the latest patches and updates from SAP to address the vulnerability and enhance system security.