Resource management error in py-django (Alpine package)

1) Resource management error

EUVDB-ID: #VU19620

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14235

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to an error when parsing URF-8 data with django.utils.encoding.uri_to_iri(). A remote attacker can pass specially crafted content to the application and consume all available memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

py-django (Alpine package): 1.7-r0 - 1.11.22-r0

py-django (Alpine package):

CPE2.3

• cpe:2.3:o:alpine:py-django_alpine_package:1.7-r0:*:*:*:*:alpine_linux:*:3.0
• cpe:2.3:o:alpine:py-django_alpine_package:1.7.9-r0:*:*:*:*:alpine_linux:*:3.0
• cpe:2.3:o:alpine:py-django_alpine_package:1.7.9-r1:*:*:*:*:alpine_linux:*:3.0
• cpe:2.3:o:alpine:py-django_alpine_package::*:*:*:*:alpine_linux:*:*

External links

https://git.alpinelinux.org/aports/commit/?id=a647ee3a77fb6aee5cd7f25d13c0521e5a7b9246
https://git.alpinelinux.org/aports/commit/?id=c7fc6af25f0b0cda600ac132b709aa32810a32aa
https://git.alpinelinux.org/aports/commit/?id=c9242d57e288ae0de776187324f3d0125de602fc
https://git.alpinelinux.org/aports/commit/?id=f23de6bf75a5fed240444ddc45e8609574c70306
https://git.alpinelinux.org/aports/commit/?id=5f752ea195f3f8ce66003ac1240b432c30de48ff

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.