HIGH 7.5 PyPI
Django Regex Algorithmic Complexity Causes Denial of Service
GHSA-p6m5-h7pp-v2x5 · CVE-2009-3695 · PYSEC-2009-4
Published · Modified
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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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2009-3695
- WEB https://github.com/django/django/commit/594a28a9044120bed58671dde8a805c9e0f6c79a
- WEB https://github.com/django/django/commit/e3e992e18b368fcd56aabafc1b5bf80a6e11b495
- WEB https://exchange.xforce.ibmcloud.com/vulnerabilities/53727
- PACKAGE https://github.com/django/django
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2009-4.yaml
- WEB https://web.archive.org/web/20091013093057/http://secunia.com/advisories/36968
- WEB https://web.archive.org/web/20091017070244/http://secunia.com/advisories/36948
- WEB https://web.archive.org/web/20200228171918/http://www.securityfocus.com/bid/36655
- WEB http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457
- WEB http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51
- WEB http://www.debian.org/security/2009/dsa-1905
- WEB http://www.djangoproject.com/weblog/2009/oct/09/security
- WEB http://www.openwall.com/lists/oss-security/2009/10/13/6
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