GHSA-p6m5-h7pp-v2x5
Django Regex Algorithmic Complexity Causes Denial of Service
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.
- 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