Open redirect in py-django (Alpine package)

1) Open redirect

EUVDB-ID: #VU14175

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14574

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to redirect the target user to external websites.

The weakness exists on systems with django.middleware.common.CommonMiddleware and the APPEND_SLASH setting enabled and with a project that has a URL pattern that accepts any path ending in a slash due to open redirect. A remote attacker can use a specially crafted image link, trick the victim into opening it and redirect users to malicious website

Mitigation

Install update from vendor's website.

Vulnerable software versions

py-django (Alpine package): 1.11-r0 - 1.11.13-r0

CPE2.3

• cpe:2.3:a:alpine:py-django_alpine_package:1.11-r0:*:*:*:*:alpine_linux:*:3.5
• cpe:2.3:a:alpine:py-django_alpine_package:1.11.5-r0:*:*:*:*:alpine_linux:*:3.6
• cpe:2.3:a:alpine:py-django_alpine_package:1.11.9-r0:*:*:*:*:alpine_linux:*:3.7

External links

https://git.alpinelinux.org/aports/commit/?id=c9aae3180a276eb466bdc57f9863de93b0ed3f4f
https://git.alpinelinux.org/aports/commit/?id=7b1f6c1d9f25e866cfd69aa58105fc54a38fe332
https://git.alpinelinux.org/aports/commit/?id=8398d6707c886fd25c0ced7b0e0c8e3232f62295
https://git.alpinelinux.org/aports/commit/?id=9b6522ff7ff9949b963b57f581828aaa2c6ca441
https://git.alpinelinux.org/aports/commit/?id=be7e22246de0916a68b640d89fc11fa95ea548b5

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.