w3m: SSL spoofing vulnerability

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-client/w3m	< 0.5.2-r4	>= 0.5.2-r4	All supported architectures

Related bugreports: #325431

An error in the hostname matching of w3m might enable remote attackers to conduct man-in-the-middle attacks.

2. Impact Information

w3m is a text based WWW browser.

A SSL spoofing vulnerability has been discovered in w3m. Please review the CVE identifier referenced below for details.

A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections made using w3m.

3. Resolution Information

There is no known workaround at this time.

All w3m users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-client/w3m-0.5.2-r4"

4. References

Page updated October 18, 2012

Summary: This is a Gentoo Linux Security Advisory

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