Python 'ssl.match_hostname()' Function SSL Certificate Validation Security Bypass Vulnerability

BID:63915

Info

Python 'ssl.match_hostname()' Function SSL Certificate Validation Security Bypass Vulnerability

Bugtraq ID: 63915
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Nov 17 2013 12:00AM
Updated: Nov 17 2013 12:00AM
Credit: Christian Heimes
Vulnerable: Python Software Foundation Python 3.2.2
Python Software Foundation Python 3.1.1
Python Software Foundation Python 3.0.1
Python Software Foundation Python 3.3
Python Software Foundation Python 3.2 Alpha
Python Software Foundation Python 3.2
Python Software Foundation Python 3.1.2
Python Software Foundation Python 3.1
Not Vulnerable:

Discussion

Python 'ssl.match_hostname()' Function SSL Certificate Validation Security Bypass Vulnerability

Python is prone to a security-bypass vulnerability.

Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.

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