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CVE-2013-7440

Status Candidate

Overview

The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.

Related Files

Red Hat Security Advisory 2016-1166-01
Posted May 31, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1166-01 - Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages provide a stable release of Python 2.7 with a number of additional utilities and database connectors for MySQL and PostgreSQL. Security Fix: The following fix was applied to the python component: The Python standard library HTTP client modules did not perform verification of TLS/SSL certificates when connecting to HTTPS servers. A man-in-the-middle attacker could use this flaw to hijack connections and eavesdrop or modify transferred data.

tags | advisory, web, python
systems | linux, redhat
advisories | CVE-2013-2099, CVE-2013-7440
SHA-256 | 116aa091e5b51bb4e976b645fbaaff53c6753ebb9b4ca77c61747631d4c5f4c6
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