CVE-2021-44537 : Vulnerability Insights and Analysis

ownCloud owncloud/client before 2.9.2 allows Resource Injection by a server into the desktop client via a URL, leading to remote code execution.

Understanding CVE-2021-44537

ownCloud owncloud/client before version 2.9.2 is vulnerable to Resource Injection, permitting a server to inject code into the desktop client via a URL, consequently enabling remote code execution.

What is CVE-2021-44537?

This CVE describes a security vulnerability in ownCloud's client application that allows malicious servers to inject code into the client through a URL, facilitating remote code execution.

The Impact of CVE-2021-44537

The vulnerability may lead to severe consequences, such as unauthorized remote access, data breach, or manipulation of the client's functionalities by executing malicious code sent from a server.

Technical Details of CVE-2021-44537

ownCloud owncloud/client version before 2.9.2 is susceptible to a specific type of Resource Injection exploit, potentially resulting in remote code execution.

Vulnerability Description

The issue originates from inadequate input validation, allowing a server to inject malicious code into the client via a URL.

Affected Systems and Versions

Product: owncloud/client
Vendor: ownCloud
Versions affected: Before 2.9.2

Exploitation Mechanism

Exploitation occurs by a server injecting malicious code through a URL into the desktop client.

Mitigation and Prevention

It is crucial to take immediate action to protect systems from this vulnerability.

Immediate Steps to Take

Update ownCloud client to version 2.9.2 or later to mitigate the vulnerability.
Avoid clicking on suspicious URLs or accessing untrusted servers.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement network monitoring and intrusion detection systems to identify anomalous behavior.

Patching and Updates

Monitor official security advisories from ownCloud for any patches related to CVE-2021-44537.