CVE-2021-44283 : Security Advisory and Response

A buffer overflow vulnerability in the component /Enclave.cpp of Electronics and Telecommunications Research Institute ShieldStore allows attackers to cause an information leak.

Understanding CVE-2021-44283

This CVE identifies a buffer overflow vulnerability that can be exploited to leak information in ShieldStore.

What is CVE-2021-44283?

The CVE-2021-44283 is a buffer overflow vulnerability in /Enclave.cpp of ShieldStore, enabling attackers to leak information via a crafted structure from an untrusted operating system.

The Impact of CVE-2021-44283

The vulnerability allows malicious actors to leak sensitive information, posing a risk to the confidentiality and integrity of data stored in ShieldStore.

Technical Details of CVE-2021-44283

This section provides technical insights into the vulnerability.

Vulnerability Description

The buffer overflow occurs in the /Enclave.cpp component of ShieldStore, allowing attackers to trigger an information leak.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: All versions are susceptible to this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious structure from an untrusted OS, leading to the overflow and subsequent leak of sensitive data.

Mitigation and Prevention

Here are the recommended steps to mitigate and prevent exploitation of CVE-2021-44283:

Immediate Steps to Take

Apply security patches provided by ShieldStore promptly.
Implement strict input validation to prevent buffer overflows.
Monitor and restrict access to ShieldStore to authorized personnel only.

Long-Term Security Practices

Regularly update and patch ShieldStore to address security vulnerabilities.
Conduct security audits and penetration testing to proactively identify and remediate potential weaknesses.

Patching and Updates

ShieldStore users should regularly check for patches and updates from the vendor to safeguard against known vulnerabilities.