CVE-2019-10173 : Security Advisory and Response

A regression in xstream API version 1.4.10 prior to 1.4.11 reintroduced a deserialization vulnerability, potentially allowing unauthorized remote attackers to execute arbitrary shell commands. This CVE is a result of CVE-2013-7285.

Understanding CVE-2019-10173

This CVE pertains to a security vulnerability in xstream API version 1.4.10 before 1.4.11, which could lead to remote code execution.

What is CVE-2019-10173?

A regression in xstream API version 1.4.10 reintroduced a deserialization vulnerability
Unauthorized remote attackers could execute arbitrary shell commands
The vulnerability is a result of CVE-2013-7285

The Impact of CVE-2019-10173

CVSS Score: 7.3 (High)
Attack Vector: Network
Attack Complexity: Low
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: Low
Privileges Required: None

Technical Details of CVE-2019-10173

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The regression in xstream API version 1.4.10 allowed unauthorized remote attackers to execute arbitrary shell commands.

Affected Systems and Versions

Affected Product: xstream
Vendor: xstream
Vulnerable Versions: 1.4.10 (fixed in 1.4.11)

Exploitation Mechanism

Attackers could exploit this vulnerability by sending malicious XML or JSON data to unmarshal and execute arbitrary shell commands.

Mitigation and Prevention

Protect your systems from CVE-2019-10173 with the following steps:

Immediate Steps to Take

Update xstream to version 1.4.11 or later
Ensure that the security framework is properly initialized
Monitor and restrict network access to vulnerable systems

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Apply security patches provided by the vendor
Stay informed about security advisories and updates from xstream and relevant sources