5.8
CVSSv2

CVE-2016-1000110

Published: 27/11/2019 Updated: 07/11/2023
CVSS v2 Base Score: 5.8 | Impact Score: 4.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8
VMScore: 525
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Vulnerability Summary

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

Vulnerability Trend

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python python

debian debian linux 8.0

debian debian linux 9.0

debian debian linux 10.0

fedoraproject fedora 23

Vendor Advisories

It was discovered that the Python CGIHandler class did not properly protect against the HTTP_PROXY variable name clash in a CGI context A remote attacker could possibly use this flaw to redirect HTTP requests performed by a Python CGI script to an attacker-controlled proxy via a malicious HTTP request ...

Recent Articles

15-year-old security hole HTTPoxy returns to menace websites – it has a name, logo too
The Register • Darren Pauli • 18 Jul 2016

So you know it's really scary

A dangerous easy-to-exploit vulnerability discovered 15 years ago has reared its head again, leaving server-side website software potentially open to hijackers. The Apache Software Foundation, Red Hat, Ngnix and others have rushed to warn programmers of the so-called httpoxy flaw, specifically: CVE-2016-5385 in PHP; CVE-2016-5386 in Go; CVE-2016-5387 in Apache HTTP server; CVE-2016-5388 in Apache TomCat; CVE-2016-1000109 in PHP-engine HHVM; and CVE-2016-1000110 in Python. This security hole, pre...