Ubuntu update for python-django



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3281
CWE-ID CWE-22
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

python3-django (Ubuntu package)
Operating systems & Components / Operating system package or component

python-django (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Path traversal

EUVDB-ID: #VU50172

Risk: High

CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2021-3281

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

Exploit availability: Yes

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 inside archives with "django.utils.archive.extract()" function. A remote attacker can pass specially crafted archive to the application and write files to arbitrary directory on the system.

Mitigation

Update the affected package python-django to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

python3-django (Ubuntu package): before 1:1.11.11-1ubuntu1.10

python-django (Ubuntu package): before 1:1.11.11-1ubuntu1.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4715-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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