CVE-2021-22698 : Security Advisory and Response

A CWE-434 vulnerability has been discovered in EcoStruxure Power Build - Rapsody software V2.1.13 and earlier versions. This vulnerability could lead to a stack-based buffer overflow, allowing remote code execution via a malicious SSD file upload.

Understanding CVE-2021-22698

This CVE identifies a critical flaw in the EcoStruxure Power Build - Rapsody software that could be exploited by attackers to execute remote code.

What is CVE-2021-22698?

CVE-2021-22698 is a CWE-434 vulnerability that enables an unauthenticated attacker to upload a malicious SSD file, triggering a stack-based buffer overflow and potentially leading to remote code execution.

The Impact of CVE-2021-22698

This vulnerability could allow threat actors to compromise the integrity and confidentiality of affected systems, posing a serious security risk to organizations using the vulnerable software.

Technical Details of CVE-2021-22698

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from an unrestricted file upload issue in the EcoStruxure Power Build - Rapsody software, specifically versions V2.1.13 and prior. Through improper parsing of uploaded SSD files, a stack-based buffer overflow occurs, opening the door to remote code execution.

Affected Systems and Versions

The affected product is EcoStruxure Power Build - Rapsody software, with versions V2.1.13 and earlier being vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a specially crafted SSD file, which, when processed by the software, triggers the buffer overflow and allows them to execute malicious code remotely.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-22698, immediate actions need to be taken.

Immediate Steps to Take

Organizations should consider implementing temporary workarounds or patches provided by the software vendor to address this vulnerability swiftly.

Long-Term Security Practices

It is recommended to follow security best practices, such as regular software updates, conducting security assessments, and monitoring for any abnormal activities on the network.

Patching and Updates

Ensure that the EcoStruxure Power Build - Rapsody software is updated to the latest secure version to prevent exploitation of this vulnerability.