CVE-2012-3444 Django vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer

Medium 5.0 Published Updated

Remote attackers can cause denial of service in Django applications by uploading large TIFF images, consuming process or thread resources.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2012-3444?

CVE-2012-3444 is a medium-severity denial of service vulnerability in Djangoproject Django, published on 31 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The get_image_dimensions function in the image-handling functionality in Django before 1.3.2 and 1.4.x before 1.4.1 uses a constant chunk size in all attempts to determine dimensions, which allows remote attackers to cause a denial of service (process or thread consumption) via a large TIFF image.

Weakness: CWE-119

Which versions are affected by CVE-2012-3444?

5 open source packages ship an affected version, including django and Django. It affects 1 product.

PackageAffectedFixed in
django PyPIAll versions1.3.2, 1.4.1
django PyPIAll versions1.3.2
django PyPIFrom 1.41.4.1
Django PyPIAll versions1.3.2
Django PyPIFrom 1.41.4.1

Products include Djangoproject Django.

How do I fix CVE-2012-3444?

Upgrade django to a fixed version for your release line: 1.3.2 or 1.4.1.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2012-3444 being exploited?

There is no known exploitation of CVE-2012-3444 in the wild and no public exploit code.

All Djangoproject Django vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-3444, GHSA-5h2q-4hrp-v9rr, PYSEC-2012-4.

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