CVE-2023-0454 : Exploit Details and Defense Strategies

This CVE was published on February 1, 2023, by Fluid Attacks, and it affects OrangeScrum version 2.0.11. The vulnerability allows an authenticated external attacker to delete arbitrary local files from the server by exploiting an unsanitized attacker-controlled parameter.

Understanding CVE-2023-0454

OrangeScrum version 2.0.11 is vulnerable to an attack that enables an authenticated external attacker to delete files on the server. This occurs due to the application's usage of an unsanitized attacker-controlled parameter to create an internal path.

What is CVE-2023-0454?

CVE-2023-0454 is a security vulnerability that affects OrangeScrum version 2.0.11. It allows an authenticated external attacker to delete arbitrary local files from the server by manipulating a specific parameter within the application.

The Impact of CVE-2023-0454

The impact of this vulnerability is significant as it grants attackers the ability to delete critical files on the server, compromising data integrity, system functionality, and potentially leading to further exploitation.

Technical Details of CVE-2023-0454

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in OrangeScrum version 2.0.11 arises from the improper handling of user-controlled input, leading to a path traversal issue that allows attackers to delete files from the server.

Affected Systems and Versions

OrangeScrum version 2.0.11 is the specific version affected by CVE-2023-0454. Users utilizing this version of the software may be at risk of exploitation if not addressed promptly.

Exploitation Mechanism

By exploiting an unsanitized attacker-controlled parameter, authenticated external attackers can manipulate the internal path construction within OrangeScrum version 2.0.11, leading to the deletion of arbitrary local files from the server.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2023-0454 and prevent potential exploitation.

Immediate Steps to Take

Update OrangeScrum to a patched version that addresses the vulnerability.
Implement access controls and input validation mechanisms to prevent unauthorized file deletions.
Regularly monitor and audit file operations on the server for any suspicious activity.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address any potential vulnerabilities.
Provide security awareness training to users to promote safe practices and incident response protocols.

Patching and Updates

Ensure that OrangeScrum is kept up to date with the latest patches and security updates to mitigate the risk of known vulnerabilities, including CVE-2023-0454. Regularly check for vendor-supplied patches and apply them promptly to enhance system security.