Catatan terbitan Django 1.4.20¶
18 Maret 2015
Django 1.4.20 memperbaiki masalah keamanan di 1.4.19.
Mengurangi kemungkinan serangan XSS melalui mengalihkan URL penyediaan-pengguna¶
Django relies on user input in some cases (e.g.
django.contrib.auth.views.login() and i18n)
to redirect the user to an "on success" URL. The security checks for these
redirects (namely django.utils.http.is_safe_url()) accepted URLs with
leading control characters and so considered URLs like \x08javascript:...
safe. This issue doesn't affect Django currently, since we only put this URL
into the Location response header and browsers seem to ignore JavaScript
there. Browsers we tested also treat URLs prefixed with control characters such
as %08//example.com as relative paths so redirection to an unsafe target
isn't a problem either.
Bagaimanapun, jika seorang pengembang bergantung pada is_safe_url() untuk menyediakan ssaran pengalihan aman dan menaruh URL itu kedalam sebuah tautan, mereka dapat menderita dari sebuah serangan XSS ketika beberapa peramban seperti Google Chrome mengabaikan kendali karakter pada awal dari URL di sebuah jangkar href.
