CVE-2011-4139 Django Vulnerable to Cache Poisoning

Medium 5.0 Published Updated

Remote attackers can poison caches by manipulating the HTTP Host header in Django applications, potentially serving malicious content to users.

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

What is CVE-2011-4139?

CVE-2011-4139 is a medium-severity vulnerability in Djangoproject Django, published on 19 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Django before 1.2.7 and 1.3.x before 1.3.1 uses a request's HTTP Host header to construct a full URL in certain circumstances, which allows remote attackers to conduct cache poisoning attacks via a crafted request.

Weakness: CWE-20

Which versions are affected by CVE-2011-4139?

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

PackageAffectedFixed in
django PyPIAll versions1.2.7, 1.3.1
django PyPIAll versions1.2.7
django PyPIFrom 1.31.3.1
Django PyPIAll versions1.2.7
Django PyPIFrom 1.31.3.1

Products include Djangoproject Django.

How do I fix CVE-2011-4139?

Upgrade django to a fixed version for your release line: 1.2.7 or 1.3.1.

Is CVE-2011-4139 being exploited?

There is no known exploitation of CVE-2011-4139 in the wild and no public exploit code.

All Djangoproject Django vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-4139, GHSA-rm2j-x595-q9cj, PYSEC-2011-4.

Is CVE-2011-4139 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free