high7.5
CVE-2009-3695
Django Regex Algorithmic Complexity Causes Denial of Service
Impact
Algorithmic complexity vulnerability in the forms library in Django 1.0 before 1.0.4 and 1.1 before 1.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a crafted (1) EmailField (email address) or (2) URLField (URL) that triggers a large amount of backtracking in a regular expression.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | Django | >= 1.0, < 1.0.4 | 1.0.4 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Djangoproject | Django | Versions 1.0, 1.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457
- http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/
- http://secunia.com/advisories/36948
- http://secunia.com/advisories/36968
- http://www.debian.org/security/2009/dsa-1905
- http://www.djangoproject.com/weblog/2009/oct/09/security/
- http://www.openwall.com/lists/oss-security/2009/10/13/6
- http://www.securityfocus.com/bid/36655
- http://www.vupen.com/english/advisories/2009/2871
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53727
- https://github.com/advisories/GHSA-p6m5-h7pp-v2x5
- https://nvd.nist.gov/vuln/detail/CVE-2009-3695
- https://web.archive.org/web/20200228171918/http://www.securityfocus.com/bid/36655
- https://github.com/django/django/commit/594a28a9044120bed58671dde8a805c9e0f6c79a
- https://github.com/django/django/commit/e3e992e18b368fcd56aabafc1b5bf80a6e11b495
- http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51
- http://www.djangoproject.com/weblog/2009/oct/09/security
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2009-4.yaml
- https://web.archive.org/web/20091013093057/http://secunia.com/advisories/36968
- https://web.archive.org/web/20091017070244/http://secunia.com/advisories/36948