CVE-2021-44488 : Security Advisory and Response

YottaDB through r1.32 and V7.0-000 is vulnerable to an issue that allows attackers to manipulate calls to memcpy in order to corrupt memory or crash the application.

Understanding CVE-2021-44488

An issue in YottaDB through r1.32 and V7.0-000 allows attackers to control the size and input to calls to memcpy in op_fnfnumber in sr_port/op_fnfnumber.c.

What is CVE-2021-44488?

CVE-2021-44488 is a vulnerability in YottaDB through r1.32 and V7.0-000, enabling attackers to influence calls to memcpy, leading to memory corruption or application crashes.

The Impact of CVE-2021-44488

The vulnerability allows attackers to corrupt memory or crash the application by exploiting crafted input in calls to memcpy in YottaDB.

Technical Details of CVE-2021-44488

YottaDB through r1.32 and V7.0-000 is susceptible to the following:

Vulnerability Description

Attackers can control the size and input to calls to memcpy in op_fnfnumber in sr_port/op_fnfnumber.c

Affected Systems and Versions

YottaDB through r1.32 and V7.0-000

Exploitation Mechanism

Crafting input to manipulate calls to memcpy

Mitigation and Prevention

Immediate Steps to Take:

Update YottaDB to a patched version
Monitor and restrict external input Long-Term Security Practices:
Regular security audits and code reviews
Implement strict input validation
Educate developers on secure coding practices

Patching and Updates

Ensure YottaDB is updated to a version where the vulnerability has been patched.