CVE-2021-44505 : What You Need to Know

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can cause a NULL pointer dereference after calls to ZPrint.

Understanding CVE-2021-44505

This CVE identifies a vulnerability in FIS GT.M through V7.0-000 that can lead to a NULL pointer dereference when specific input is provided, potentially exploitable by malicious actors.

What is CVE-2021-44505?

The CVE-2021-44505 vulnerability exists in FIS GT.M through V7.0-000. Attackers can exploit this flaw by supplying crafted input to trigger a NULL pointer dereference post calls to ZPrint.

The Impact of CVE-2021-44505

The exploitation of this vulnerability could lead to a denial of service (DoS) condition or potentially allow an attacker to execute arbitrary code on the target system, posing a severe threat to the integrity and availability of the affected systems.

Technical Details of CVE-2021-44505

This section dives deeper into the technical aspects of the CVE-2021-44505 vulnerability.

Vulnerability Description

The vulnerability in FIS GT.M through V7.0-000 can be abused by malicious actors to cause a NULL pointer dereference after invoking ZPrint, enabling them to disrupt system functionality.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: V7.0-000

Exploitation Mechanism

The vulnerability can be exploited by providing specifically crafted input that triggers a NULL pointer dereference following calls to ZPrint, leading to a potential system crash or code execution.

Mitigation and Prevention

Protecting systems from CVE-2021-44505 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply vendor patches or updates promptly to address the vulnerability.
Monitor for any unusual system behavior that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement strong input validation mechanisms to thwart malicious input exploitation.

Patching and Updates

Stay informed about security advisories and update mechanisms provided by the software vendor.
Regularly check for security patches and apply them promptly to maintain system integrity and protect against potential threats.