USN-967-1: w3m vulnerability

Publication date

9 August 2010

Overview

The web browser w3m does not properly validate SSL/TLS certificates.


Packages

  • w3m - WWW browsable pager with excellent tables/frames support w3m-img

Details

Ludwig Nussel discovered w3m does not properly handle SSL/TLS
certificates with NULL characters in the certificate name. An
attacker could exploit this to perform a machine-in-the-middle
attack to view sensitive information or alter encrypted
communications. (CVE-2010-2074)

Ludwig Nussel discovered w3m does not properly handle SSL/TLS
certificates with NULL characters in the certificate name. An
attacker could exploit this to perform a machine-in-the-middle
attack to view sensitive information or alter encrypted
communications. (CVE-2010-2074)

Update instructions

After a standard system update you need to restart any running instances of w3m to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
9.10 karmic w3m –  0.5.2-2ubuntu1.1
9.04 jaunty w3m –  0.5.2-2ubuntu0.1
8.04 hardy w3m –  0.5.1-5.1ubuntu1.1
6.06 dapper w3m –  0.5.1-4ubuntu2.6.06.1
10.04 lucid w3m –  0.5.2-2.1ubuntu1.1

Reduce your security exposure

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