CVE-2021-29505 : What You Need to Know

XStream is a software used for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 can allow a remote attacker with sufficient rights to execute commands of the host by manipulating the processed input stream. The vulnerability is patched in version 1.4.17.

Understanding CVE-2021-29505

This section provides comprehensive details about the vulnerability in XStream software.

What is CVE-2021-29505?

CVE-2021-29505 highlights a vulnerability in XStream versions before 1.4.17 that enables a remote attacker to execute commands on the host.

The Impact of CVE-2021-29505

The impact of this vulnerability is rated as HIGH due to the potential for remote command execution and compromise of confidentiality, integrity, and availability.

Technical Details of CVE-2021-29505

Explore the technical aspects associated with the CVE-2021-29505 vulnerability.

Vulnerability Description

The vulnerability in XStream allows remote attackers to execute commands on the host by manipulating the processed input stream.

Affected Systems and Versions

XStream versions earlier than 1.4.17 are affected by this vulnerability.

Exploitation Mechanism

The attackers need network access to exploit the vulnerability and manipulate the input stream to execute arbitrary commands.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks posed by CVE-2021-29505.

Immediate Steps to Take

Update XStream to version 1.4.17 immediately to patch the vulnerability and prevent remote command execution.

Long-Term Security Practices

Practice proper input validation and apply the principle of least privilege to minimize the impact of potential vulnerabilities.

Patching and Updates

Regularly check for security updates and patches for XStream to ensure that your systems are protected from known vulnerabilities.