CVE-2021-44495 : What You Need to Know

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, an attacker can cause a NULL pointer dereference after calls to ZPrint.

Understanding CVE-2021-44495

An issue where an attacker can trigger a NULL pointer dereference in YottaDB and FIS GT.M through crafted input.

What is CVE-2021-44495?

CVE-2021-44495 highlights a vulnerability in YottaDB and FIS GT.M that potentially allows attackers to exploit a NULL pointer dereference leading to a denial of service.

The Impact of CVE-2021-44495

The vulnerability can be exploited by an attacker to cause a NULL pointer dereference after specific function calls, resulting in a potential denial of service (DoS) condition.

Technical Details of CVE-2021-44495

Details regarding the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in YottaDB and FIS GT.M can be triggered through crafted input, leading to a NULL pointer dereference post ZPrint calls.

Affected Systems and Versions

YottaDB through r1.32
FIS GT.M through V7.0-000

Exploitation Mechanism

The vulnerability can be exploited by an attacker providing malicious input to trigger a NULL pointer dereference during ZPrint function calls.

Mitigation and Prevention

Ways to mitigate and prevent exploitation of CVE-2021-44495.

Immediate Steps to Take

Apply vendor patches or updates as soon as they are available.
Monitor for any abnormal activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Implement least privilege access to minimize the impact of potential exploits.
Regularly update and patch systems to prevent known vulnerabilities.

Patching and Updates

Ensure to apply the latest patches and updates provided by YottaDB and FIS GT.M to address the vulnerability.