CVE-2020-28371 Explained : Impact and Mitigation

An issue was discovered in ReadyTalk Avian 1.2.0 before 2020-10-27. The vulnerability allows for out-of-bounds memory read/write operations due to an integer overflow, affecting unsupported products.

Understanding CVE-2020-28371

This CVE identifies a specific vulnerability in ReadyTalk Avian 1.2.0 that can lead to out-of-bounds memory access.

What is CVE-2020-28371?

The vulnerability arises from an integer overflow that circumvents boundary checks in the FileOutputStream.write() method, enabling unauthorized memory access.

The Impact of CVE-2020-28371

This vulnerability poses a risk of unauthorized access to memory, potentially leading to security breaches or system compromise.

Technical Details of CVE-2020-28371

The technical aspects of the vulnerability in ReadyTalk Avian 1.2.0.

Vulnerability Description

The issue lies in the FileOutputStream.write() method in FileOutputStream.java
An integer overflow allows bypassing boundary checks, leading to out-of-bounds memory access

Affected Systems and Versions

ReadyTalk Avian 1.2.0 before 2020-10-27
Products that are no longer supported by the maintainer

Exploitation Mechanism

Attackers exploit the integer overflow to achieve out-of-bounds memory access

Mitigation and Prevention

Steps to address and prevent the CVE-2020-28371 vulnerability.

Immediate Steps to Take

Upgrade to a supported version of the affected product
Implement additional security measures to mitigate risks

Long-Term Security Practices

Regularly update software to the latest versions
Conduct security assessments and audits to identify vulnerabilities

Patching and Updates

Apply patches provided by the vendor to fix the vulnerability