CVE-2018-20013 : Security Advisory and Response

UrBackup version 2.2.6 contains a vulnerability that allows an attacker to exploit the client application by sending a manipulated request over the network. This exploit triggers an assertion (metadata_id!=0) in CClientThread.cpp, specifically in the fileservplugin, resulting in the forced termination of the client application.

Understanding CVE-2018-20013

This CVE involves a vulnerability in UrBackup version 2.2.6 that can be exploited by sending a specially crafted request to the client application.

What is CVE-2018-20013?

UrBackup 2.2.6 vulnerability allows attackers to manipulate network requests, triggering an assertion in CClientThread.cpp and leading to client application termination.

The Impact of CVE-2018-20013

The vulnerability in UrBackup version 2.2.6 can be exploited by malicious actors to force the client application to shut down, potentially disrupting backup processes and compromising data integrity.

Technical Details of CVE-2018-20013

UrBackup version 2.2.6 vulnerability technical specifics.

Vulnerability Description

Exploitable flaw in UrBackup 2.2.6 allows attackers to send malformed requests to the client application.

Affected Systems and Versions

Product: UrBackup
Version: 2.2.6

Exploitation Mechanism

Attackers exploit the vulnerability by sending manipulated requests over the network, triggering an assertion in CClientThread.cpp.

Mitigation and Prevention

Steps to address and prevent CVE-2018-20013.

Immediate Steps to Take

Update UrBackup to a patched version if available.
Monitor network traffic for suspicious activities.

Long-Term Security Practices

Regularly update software and apply security patches.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories and apply patches promptly to mitigate vulnerabilities.