CVE-2018-10847 : Vulnerability Insights and Analysis

Prosody before versions 0.10.2 and 0.9.14 is vulnerable to an Authentication Bypass due to a lack of verification process, allowing users to transfer authenticated sessions between XMPP hosts.

Understanding CVE-2018-10847

This CVE involves a security vulnerability in Prosody related to authentication bypass.

What is CVE-2018-10847?

Before versions 0.10.2 and 0.9.14, Prosody did not verify the virtual host associated with a user session, enabling users to move authenticated sessions between XMPP hosts within the same Prosody instance.

The Impact of CVE-2018-10847

CVSS Base Score: 4.2 (Medium Severity)
Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: None

Technical Details of CVE-2018-10847

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Prosody versions 0.10.2 and 0.9.14 are susceptible to an authentication bypass due to the lack of verification of the virtual host associated with a user session during stream restarts.

Affected Systems and Versions

Affected Product: Prosody
Vendor: [UNKNOWN]
Vulnerable Versions: 0.10.2, 0.9.14

Exploitation Mechanism

The vulnerability allows a user to authenticate to XMPP host A and then transfer their authenticated session to XMPP host B within the same Prosody instance.

Mitigation and Prevention

Protect your systems from CVE-2018-10847 by following these steps:

Immediate Steps to Take

Update Prosody to version 0.10.2 or higher to mitigate the vulnerability.
Monitor network traffic for any unauthorized session transfers.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly review and update security configurations to address potential vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches to secure your systems.