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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.10% Top 25%

Vendor Advisory debian.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory djangoproject.com Vendor Advisory vupen.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/36655	vdb entry patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/53727	vdb entry
http://www.djangoproject.com/weblog/2009/oct/09/security/	patch vendor advisory
http://secunia.com/advisories/36948	third party advisory vendor advisory
http://secunia.com/advisories/36968	third party advisory vendor advisory
http://www.debian.org/security/2009/dsa-1905	vendor advisory
http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457
http://www.openwall.com/lists/oss-security/2009/10/13/6	mailing list
http://www.vupen.com/english/advisories/2009/2871	vdb entry patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-3695?: CVE-2009-3695 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3695?: To fix CVE-2009-3695, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3695 being actively exploited in the wild?: It is possible that CVE-2009-3695 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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