CVE-2009-3695: High severity django vulnerability

Published Oct 13, 2009
·
Updated

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 Software

4 affected componentsFixes available
pip/Django>=1.1<1.1.1
1.1.1
pip/Django>=1.0<1.0.4
1.0.4
djangoproject Django=1.0
djangoproject Django=1.1

Event History

Oct 13, 2009
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
May 2, 2022
Advisory Published
via GitHub·03:47 AM

Frequently Asked Questions

1

What is the severity of CVE-2009-3695?

CVE-2009-3695 is classified as a high-severity vulnerability due to its potential to cause a denial of service through CPU consumption.

2

How do I fix CVE-2009-3695?

To fix CVE-2009-3695, upgrade Django to version 1.0.4 or 1.1.1 or later.

3

Which versions of Django are affected by CVE-2009-3695?

CVE-2009-3695 affects Django versions 1.0 before 1.0.4 and 1.1 before 1.1.1.

4

What type of attack can exploit CVE-2009-3695?

CVE-2009-3695 can be exploited through crafted EmailField or URLField inputs that trigger excessive backtracking in regular expressions.

5

What impact does CVE-2009-3695 have on web applications?

CVE-2009-3695 can lead to denial of service by exhausting server CPU resources, potentially making the web application unresponsive.

Contact

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