CVE-2011-4139: Input Validation
First published: Wed Oct 19 2011(Updated: )
Django before 1.2.7 and 1.3.x before 1.3.1 uses a request's HTTP Host header to construct a full URL in certain circumstances, which allows remote attackers to conduct cache poisoning attacks via a crafted request.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/Django | >=1.3<1.3.1 | 1.3.1 |
| pip/django | <1.2.7 | 1.2.7 |
| Django | <=1.2.6 | |
| Django | =1.2.5 | |
| Django | =0.95 | |
| Django | =1.0 | |
| Django | =1.3 | |
| Django | =1.1.2 | |
| Django | =1.0.1 | |
| Django | =1.1 | |
| Django | =1.2.1 | |
| Django | =1.2.4 | |
| Django | =0.91 | |
| Django | =1.0.2 | |
| Django | =1.2.3 | |
| Django | =1.3-alpha1 | |
| Django | =1.1.3 | |
| Django | =1.2.1-2 | |
| Django | =1.2 | |
| Django | =0.95.1 | |
| Django | =0.96 | |
| Django | =1.3-alpha2 | |
| Django | =1.1.0 | |
| Django | =1.2.2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=737366
- https://www.djangoproject.com/weblog/2011/sep/09/
- http://openwall.com/lists/oss-security/2011/09/11/1
- https://www.djangoproject.com/weblog/2011/sep/10/127/
- http://openwall.com/lists/oss-security/2011/09/13/2
- http://secunia.com/advisories/46614
- http://www.debian.org/security/2011/dsa-2332
- https://hermes.opensuse.org/messages/14700881
- https://nvd.nist.gov/vuln/detail/CVE-2011-4139
- https://github.com/django/django/commit/2f7fadc38efa58ac0a8f93f936b82332a199f396
- https://github.com/django/django/commit/c613af4d6485586c79d692b70a9acac429f3ca9d
- https://github.com/advisories/GHSA-rm2j-x595-q9cj (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-4.yaml
- https://www.djangoproject.com/weblog/2011/sep/09
- https://www.djangoproject.com/weblog/2011/sep/10/127
Frequently Asked Questions
What is the severity of CVE-2011-4139?
CVE-2011-4139 is classified as a medium severity vulnerability due to its potential for cache poisoning attacks.
How do I fix CVE-2011-4139?
To fix CVE-2011-4139, upgrade Django to version 1.2.7 or 1.3.1 or later.
Which versions of Django are affected by CVE-2011-4139?
Versions of Django prior to 1.2.7 and those in the 1.3.x series prior to 1.3.1 are affected by CVE-2011-4139.
What type of attack is possible with CVE-2011-4139?
CVE-2011-4139 allows remote attackers to conduct cache poisoning attacks via crafted requests.
Is it safe to use Django versions below 1.2.7 or 1.3.1 after the CVE-2011-4139 disclosure?
No, using Django versions below 1.2.7 or 1.3.1 poses a security risk due to the vulnerability described in CVE-2011-4139.
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