CVE-2021-44482 : Vulnerability Insights and Analysis

YottaDB through r1.32 and V7.0-000 allows attackers to attempt to jump to a NULL pointer by corrupting a function pointer.

Understanding CVE-2021-44482

An issue in YottaDB allows attackers to exploit a lack of input validation, leading to a potential NULL pointer jump.

What is CVE-2021-44482?

YottaDB through versions r1.32 and V7.0-000 is vulnerable to attackers corrupting a function pointer, potentially enabling them to jump to a NULL pointer.

The Impact of CVE-2021-44482

This vulnerability can be exploited by malicious actors to potentially execute arbitrary code or cause a denial of service by crashing the system.

Technical Details of CVE-2021-44482

YottaDB vulnerability details and affected systems.

Vulnerability Description

The issue lies in the lack of input validation in calls to do_verify in sr_unix/do_verify.c, allowing attackers to corrupt a function pointer.

Affected Systems and Versions

YottaDB through version r1.32 and V7.0-000

Exploitation Mechanism

Attackers can attempt to jump to a NULL pointer by corrupting a function pointer in YottaDB.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2021-44482.

Immediate Steps to Take

Apply vendor patches or updates as soon as they are available.
Monitor security advisories for any new information or fixes regarding this vulnerability.

Long-Term Security Practices

Implement input validation and boundary checks in the code to prevent such vulnerabilities.
Conduct regular security assessments and code reviews to identify and address potential issues.

Patching and Updates

Regularly update YottaDB to the latest versions that contain fixes for this vulnerability.