CVE-2009-3695

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3695
• https://github.com/django/django/commit/594a28a9044120bed58671dde8a805c9e0f6c79a
• https://github.com/django/django/commit/e3e992e18b368fcd56aabafc1b5bf80a6e11b495
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53727
• https://github.com/django/django
• 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
• https://web.archive.org/web/20200228171918/http://www.securityfocus.com/bid/36655
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457
• http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51
• 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://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/
• http://secunia.com/advisories/36948
• http://www.vupen.com/english/advisories/2009/2871
• http://www.djangoproject.com/weblog/2009/oct/09/security/
• http://secunia.com/advisories/36968
• https://security-tracker.debian.org/tracker/CVE-2009-3695