CVE-2015-0220: XSS
First published: Fri Jan 16 2015(Updated: )
The `django.util.http.is_safe_url` function in Django before 1.4.18, 1.6.x before 1.6.10, and 1.7.x before 1.7.3 does not properly handle leading whitespaces, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL, related to redirect URLs, as demonstrated by a `\njavascript:` URL.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/Django | >=1.7<1.7.3 | 1.7.3 |
| pip/Django | >=1.6<1.6.10 | 1.6.10 |
| pip/django | <1.4.18 | 1.4.18 |
| Ubuntu Linux | =10.04 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =14.10 | |
| djangoproject Django | <=1.4.17 | |
| djangoproject Django | =1.6 | |
| djangoproject Django | =1.6.1 | |
| djangoproject Django | =1.6.2 | |
| djangoproject Django | =1.6.3 | |
| djangoproject Django | =1.6.4 | |
| djangoproject Django | =1.6.5 | |
| djangoproject Django | =1.6.6 | |
| djangoproject Django | =1.6.7 | |
| djangoproject Django | =1.6.8 | |
| djangoproject Django | =1.6.9 | |
| djangoproject Django | =1.7 | |
| djangoproject Django | =1.7.1 | |
| djangoproject Django | =1.7.2 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2015-0220
- https://www.djangoproject.com/weblog/2015/jan/13/security/
- http://advisories.mageia.org/MGASA-2015-0026.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148485.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148608.html
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00035.html
- http://ubuntu.com/usn/usn-2469-1
- https://github.com/django/django/commit/4c241f1b710da6419d9dca160e80b23b82db7758
- https://github.com/django/django/commit/72e0b033662faa11bb7f516f18a132728aa0ae28
- https://github.com/django/django/commit/de67dedc771ad2edec15c1d00c083a1a084e1e89
- https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.4.18.txt#L34-L46
- https://web.archive.org/web/20150128111656/http://secunia.com/advisories/62285
- https://web.archive.org/web/20150523054951/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2015:109/?name=MDVSA-2015:109
- https://web.archive.org/web/20150523054953/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2015:036/?name=MDVSA-2015:036
- https://web.archive.org/web/20151104201446/http://secunia.com/advisories/62718
- https://github.com/advisories/GHSA-gv98-g628-m9x5 (Advisory)
- http://secunia.com/advisories/62285
- http://secunia.com/advisories/62309
- http://secunia.com/advisories/62718
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:036
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:109
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-5.yaml
- https://www.djangoproject.com/weblog/2015/jan/13/security
Frequently Asked Questions
What is the severity of CVE-2015-0220?
CVE-2015-0220 has been classified as a medium severity vulnerability due to the potential for cross-site scripting (XSS) attacks.
How do I fix CVE-2015-0220?
To fix CVE-2015-0220, update Django to version 1.7.3, 1.6.10, or 1.4.18 or later.
What versions of Django are affected by CVE-2015-0220?
CVE-2015-0220 affects Django versions before 1.4.18, 1.6.x before 1.6.10, and 1.7.x before 1.7.3.
What type of attack does CVE-2015-0220 allow?
CVE-2015-0220 allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted URL.
What function in Django is vulnerable in CVE-2015-0220?
The vulnerability in CVE-2015-0220 is found in the `django.util.http.is_safe_url` function.
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