Ubuntu update for python-django



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
 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 medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU51936

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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

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

Vulnerable software versions

Ubuntu: 16.04 - 20.10

python3-django (Ubuntu package): before 1:1.11.11-1ubuntu1.12

python-django (Ubuntu package): before 1:1.11.11-1ubuntu1.12

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4902-1


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.



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