CVE-2021-28037 : Vulnerability Insights and Analysis
Learn about CVE-2021-28037, a memory corruption vulnerability in the Rust internment crate before 0.4.2, allowing attackers to exploit data race for memory corruption.
This CVE-2021-28037 involves an issue in the internment crate before version 0.4.2 for Rust, leading to memory corruption due to a data race. The problem arises from the unconditional implementation of Sync for Intern<T>.
Understanding CVE-2021-28037
This section will delve into the details of CVE-2021-28037, including its impact, technical description, affected systems, exploitation mechanisms, and mitigation strategies.
What is CVE-2021-28037?
CVE-2021-28037 is a vulnerability found in the internment crate prior to version 0.4.2 for Rust. It stems from a data race inducing memory corruption,
The Impact of CVE-2021-28037
The vulnerability allows attackers to corrupt memory in affected systems by exploiting the data race created by the unconditional Sync implementation for Intern<T>.
Technical Details of CVE-2021-28037
Let's explore the technical aspects of CVE-2021-28037 to gain a deeper understanding of the vulnerability.
Vulnerability Description
The flaw arises from the data race triggered by the unconditional implementation of Sync for Intern<T>, leading to memory corruption.
Affected Systems and Versions
The internment crate versions before 0.4.2 for Rust are impacted by CVE-2021-28037, putting these systems at risk of memory corruption.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the data race caused by the unconditional Sync implementation, compromising system integrity.
Mitigation and Prevention
To address CVE-2021-28037 and enhance system security, certain mitigation and prevention steps need to be followed.
Immediate Steps to Take
It is recommended to update the internment crate to version 0.4.2 or higher to mitigate the risk of memory corruption and potential exploitation.
Long-Term Security Practices
Implementing secure coding practices and regular code reviews can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying patches and software updates, along with staying informed about security advisories, is crucial to maintaining system security.