CVE-2021-28658 : Security Advisory and Response
Uncover the details of CVE-2021-28658, a Django vulnerability allowing directory traversal through MultiPartParser. Learn about impacts, technicalities, and mitigation strategies.
In Django 2.2 before 2.2.20, 3.0 before 3.0.14, and 3.1 before 3.1.8, a vulnerability exists where MultiPartParser allows directory traversal via uploaded files with specially crafted file names. Learn more about the impact, technical details, and mitigation strategies associated with this CVE.
Understanding CVE-2021-28658
This section will delve into the specifics of CVE-2021-28658, shedding light on its implications and potential risks.
What is CVE-2021-28658?
CVE-2021-28658 refers to a security loophole present in certain versions of Django, facilitating directory traversal via maliciously named files uploaded through MultiPartParser.
The Impact of CVE-2021-28658
The vulnerability in Django versions 2.2 prior to 2.2.20, 3.0 prior to 3.0.14, and 3.1 prior to 3.1.8 poses a risk of unauthorized directory access through file uploads, impacting the integrity and confidentiality of data.
Technical Details of CVE-2021-28658
Explore the technical aspects of CVE-2021-28658, including a detailed description of the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
The weakness in MultiPartParser empowers threat actors to maneuver through directories by utilizing specially manipulated file names during the upload process.
Affected Systems and Versions
Django versions 2.2 (pre-2.2.20), 3.0 (pre-3.0.14), and 3.1 (pre-3.1.8) are susceptible to this security flaw, necessitating immediate attention and remediation.
Exploitation Mechanism
By leveraging the flawed MultiPartParser functionality, bad actors can execute directory traversal attacks, potentially compromising system resources and sensitive data.
Mitigation and Prevention
Discover the effective strategies for mitigating the risks associated with CVE-2021-28658, safeguarding your systems and data from potential exploits.
Immediate Steps to Take
Promptly update Django to versions 2.2.20, 3.0.14, and 3.1.8 to eliminate the directory traversal vulnerability and enhance system security.
Long-Term Security Practices
Incorporate robust upload validation mechanisms and regularly monitor for unusual file activities to preemptively identify and thwart potential directory traversal attempts.
Patching and Updates
Stay informed about security advisories and promptly apply patches and updates released by Django to fortify your systems against evolving threats.