Ubuntu update for Django

1) Resource exhaustion

EUVDB-ID: #VU17717

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-6975

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper memory operations that exist when the django.utils.numberformat.format() function receives a decimal with a large number of digits or a large component. A remote attacker can send a request that submits malicious input, consume excessive amounts of memory resources, resulting in a DoS condition.

Mitigation

Update the affected packages.

Ubuntu 18.10

python-django - 1:1.11.15-1ubuntu1.2

python3-django - 1:1.11.15-1ubuntu1.2

Ubuntu 18.04 LTS

python-django - 1:1.11.11-1ubuntu1.3

python3-django - 1:1.11.11-1ubuntu1.3

Ubuntu 16.04 LTS

python-django - 1.8.7-1ubuntu5.8

python3-django - 1.8.7-1ubuntu5.8

Vulnerable software versions

python-django (Ubuntu package): 1:1.11.11-1ubuntu1.1 - 1.8.7-1ubuntu5.7

CPE2.3

• cpe:2.3:o:canonical:python-django_ubuntu_package:1:1.11.11-1ubuntu1.1:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:python-django_ubuntu_package:1:1.11.11-1ubuntu1.2:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:python-django_ubuntu_package:1:1.11.15-1ubuntu1.1:*:*:*:*:ubuntu:*:*

External links

https://usn.ubuntu.com/3890-1/

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.