CVE-2020-1455 : What You Need to Know

Microsoft SQL Server Management Studio Denial of Service Vulnerability was published on August 17, 2020, with a CVSS base score of 5.3.

Understanding CVE-2020-1455

This CVE involves a denial of service vulnerability in Microsoft SQL Server Management Studio (SSMS) due to improper handling of files.

What is CVE-2020-1455?

A denial of service vulnerability in SSMS could be exploited by an attacker to trigger a denial of service by manipulating files.

The Impact of CVE-2020-1455

The impact of this vulnerability includes potential denial of service attacks on systems running affected versions of Microsoft SQL Server Management Studio.

Technical Details of CVE-2020-1455

The vulnerability information and affected systems are detailed as follows:

Vulnerability Description

The vulnerability exists due to improper file handling by Microsoft SQL Server Management Studio.
Attackers could exploit this flaw to execute denial of service attacks.

Affected Systems and Versions

Vendor: Microsoft
Product: SQL Server Management Studio 18.6
Affected Version: 18.0
Platform: Unknown

Exploitation Mechanism

To exploit this vulnerability, an attacker would need execution capabilities on the victim's system.

Mitigation and Prevention

Protecting systems from CVE-2020-1455 requires immediate actions and long-term security practices:

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability in SQL Server Management Studio.
Regularly monitor and restrict execution privileges on systems to limit attack surfaces.

Long-Term Security Practices

Implement strong file handling policies and permissions to prevent unauthorized access.
Conduct regular security assessments and patches to safeguard systems against future vulnerabilities.
Stay informed about security advisories and updates from software vendors.
Employ intrusion detection systems to detect and respond to abnormal activities.
Consider network segmentation to isolate critical systems.

Patching and Updates

Ensure timely installation of security updates released by Microsoft to patch vulnerabilities such as the one in SQL Server Management Studio.