CVE-2019-15055 : What You Need to Know

A vulnerability in MikroTik RouterOS versions 6.44.5 and 6.45.x through 6.45.3 allows authenticated users to delete files, potentially leading to unauthorized access to the administrative interface.

Understanding CVE-2019-15055

This CVE involves a security flaw in MikroTik RouterOS versions 6.44.5 and 6.45.x through 6.45.3 that mishandles disk names, enabling authenticated users to delete arbitrary files.

What is CVE-2019-15055?

The vulnerability in MikroTik RouterOS versions 6.44.5 and 6.45.x through 6.45.3 allows authenticated users to delete any files they choose, potentially resetting credential storage and granting unauthorized access to the administrative management interface without authentication.

The Impact of CVE-2019-15055

Exploiting this vulnerability can lead to the unauthorized deletion of critical files, potentially compromising the security of the system and allowing attackers to gain administrative access without proper authentication.

Technical Details of CVE-2019-15055

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

MikroTik RouterOS through 6.44.5 and 6.45.x through 6.45.3 improperly handles disk names, allowing authenticated users to delete arbitrary files. This flaw can be exploited to reset credential storage, providing unauthorized access to the management interface as an administrator without authentication.

Affected Systems and Versions

MikroTik RouterOS versions 6.44.5 and 6.45.x through 6.45.3

Exploitation Mechanism

The vulnerability enables authenticated users to delete files by manipulating disk names, potentially leading to unauthorized access to critical system files and administrative privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-15055 requires immediate action and long-term security practices.

Immediate Steps to Take

Update MikroTik RouterOS to the latest patched version to mitigate the vulnerability.
Monitor system logs for any suspicious activities related to file deletions.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms to prevent unauthorized access.
Regularly audit and review file permissions and user privileges to ensure proper security measures.

Patching and Updates

Apply security patches and updates provided by MikroTik to address the vulnerability and enhance system security.