CVE-2021-26699 : Exploit Details and Defense Strategies
Discover the details of CVE-2021-26699, affecting OX App Suite versions before 7.10.3-rev4 and 7.10.4-rev4. Learn about the impact, technical aspects, and mitigation strategies for this SSRF vulnerability.
This article provides an overview of CVE-2021-26699, a security vulnerability found in OX App Suite before versions 7.10.3-rev4 and 7.10.4-rev4 that allows Server-Side Request Forgery (SSRF) attacks.
Understanding CVE-2021-26699
This section delves deeper into the nature of the vulnerability and its potential impact.
What is CVE-2021-26699?
CVE-2021-26699 is a security flaw in OX App Suite versions 7.10.3-rev4 and 7.10.4-rev4, enabling SSRF attacks through mishandling of shared SVG documents by the imageconverter component when the .png extension is utilized.
The Impact of CVE-2021-26699
Exploitation of this vulnerability could lead to unauthorized access to sensitive data, potential data loss, or further network compromise.
Technical Details of CVE-2021-26699
In this section, we explore the specifics of the vulnerability to better understand its implications.
Vulnerability Description
The vulnerability arises from the mishandling of shared SVG documents by the imageconverter component, specifically when the .png extension is employed, enabling malicious actors to perform SSRF attacks.
Affected Systems and Versions
OX App Suite versions prior to 7.10.3-rev4 and 7.10.4-rev4 are impacted by this vulnerability.
Exploitation Mechanism
By using a shared SVG document with a .png extension, threat actors can manipulate the imageconverter component to trigger SSRF attacks.
Mitigation and Prevention
This section outlines steps to mitigate the risks associated with CVE-2021-26699 and prevent potential exploits.
Immediate Steps to Take
Users are advised to update OX App Suite to versions 7.10.3-rev4 or 7.10.4-rev4 to address the vulnerability and enhance security.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security updates can bolster overall resilience against SSRF attacks and similar threats.
Patching and Updates
Regularly applying security patches and updates provided by OX App Suite is crucial to safeguard systems against known vulnerabilities and emerging risks.