Path traversal in Django



Published: 2021-04-06
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28658
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Django
Web applications / CMS

Vendor Django Software Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU51936

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-28658

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in MultiPartParser. A remote attacker can use a specially crafted files with suitably crafted file names and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Django: 2.2 - 2.2.19, 3.0 - 3.2


CPE2.3 External links

http://www.djangoproject.com/weblog/2021/apr/06/security-releases/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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