CVE-2013-0306 Django is vulnerable to Denial of Service attack in formset

What is CVE-2013-0306?

CVE-2013-0306 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 2 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The form library in Django 1.3.x before 1.3.6, 1.4.x before 1.4.4, and 1.5 before release candidate 2 allows remote attackers to bypass intended resource limits for formsets and cause a denial of service (memory consumption) or trigger server errors via a modified max_num parameter.

Weakness: CWE-189

Which versions are affected by CVE-2013-0306?

5 open source packages ship an affected version, including django and Django. It affects 2 products.

Products include Canonical Ubuntu Linux, Djangoproject Django.

How do I fix CVE-2013-0306?

Upgrade django to a fixed version for your release line: 1.3.6 or 1.4.4.

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-2013-0306 being exploited?

There is no known exploitation of CVE-2013-0306 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-0306, GHSA-g8xg-jgj6-49r3, PYSEC-2013-17.