CVE-2021-44492 : Vulnerability Insights and Analysis

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Attackers can exploit crafted input to cause a crash due to a NULL pointer dereference.

Understanding CVE-2021-44492

This CVE highlights a vulnerability in YottaDB and FIS GT.M that can be exploited by attackers to cause a crash in specific functions.

What is CVE-2021-44492?

CVE-2021-44492 is a vulnerability present in YottaDB and FIS GT.M versions that allows attackers to improperly initialize a type, leading to a NULL pointer dereference and system crash.

The Impact of CVE-2021-44492

The vulnerability can be exploited by malicious actors to intentionally crash systems, potentially leading to denial of service or system instability.

Technical Details of CVE-2021-44492

This section outlines the technical specifics of the vulnerability.

Vulnerability Description

Attackers can manipulate input to improperly initialize a type in the function f_incr in sr_port/f_incr.c, causing a crash due to a NULL pointer dereference.

Affected Systems and Versions

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

Exploitation Mechanism

Crafted input is used to trigger incorrect type initialization, exploiting the vulnerability and causing a crash.

Mitigation and Prevention

Protect systems from CVE-2021-44492 with the following strategies.

Immediate Steps to Take

Apply patches or updates provided by vendors promptly.
Monitor system logs for any unusual activity that could indicate exploitation.

Long-Term Security Practices

Conduct regular security assessments and vulnerability scans.
Implement proper input validation to prevent malicious input.

Patching and Updates

Regularly check for security updates from YottaDB and FIS GT.M to address this vulnerability.