CVE-2021-44481 Explained : Impact and Mitigation

YottaDB through r1.32 and V7.0-000 is affected by a vulnerability that allows attackers to attempt to read from a NULL pointer in YottaDB's ztimeoutroutines.c.

Understanding CVE-2021-44481

What is CVE-2021-44481?

An issue in YottaDB through r1.32 and V7.0-000 allows attackers to exploit a lack of parameter validation in calls to memcpy, potentially leading to reading from a NULL pointer.

The Impact of CVE-2021-44481

The vulnerability could be exploited by attackers to read from a NULL pointer, which may result in a denial of service or potentially enable them to execute arbitrary code.

Technical Details of CVE-2021-44481

Vulnerability Description

The vulnerability arises from inadequate parameter validation in calls to memcpy in YottaDB's ztimeoutroutines.c.

Affected Systems and Versions

YottaDB through r1.32
YottaDB V7.0-000

Exploitation Mechanism

Attackers can exploit this vulnerability by attempting to read from a NULL pointer due to lack of proper parameter validation.

Mitigation and Prevention

Immediate Steps to Take

Apply the provided patch or update to a non-vulnerable version of YottaDB.
Monitor for any unusual activities on the system.

Long-Term Security Practices

Conduct regular security assessments and audits.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security patches and updates from YottaDB.