CVE-2016-1000110 Server-side request forgery in n/a

Medium 6.1 Published 27 Nov 2019 Updated 6 Aug 2024

Remote attackers can redirect HTTP requests via HTTP_PROXY variable clash in Python CGI scripts, potentially accessing internal resources.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2016-1000110?

CVE-2016-1000110 is a medium-severity server-side request forgery vulnerability in Debian Debian Linux, published on 27 Nov 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP requests.

Weakness: CWE-601

Which versions are affected by CVE-2016-1000110?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Python Python.

How do I fix CVE-2016-1000110?

Upgrade to a fixed version.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2016-1000110 being exploited?

There is no known exploitation of CVE-2016-1000110 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-1000110, GHSA-97ww-5p4j-7pg9, MGASA-2016-0296, PSF-2019-2, UBUNTU-CVE-2016-1000110.