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Gentoo Linux Security Advisory                           GLSA 200403-09
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                                             http://security.gentoo.org
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  Severity: High
     Title: Buffer overflow in Midnight Commander
      Date: March 29, 2004
      Bugs: #45957
        ID: 200403-09

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Synopsis
========

A remotely-exploitable buffer overflow in Midnight Commander allows
arbitrary code to be run on a user's computer

Background
==========

Midnight Commander is a visual file manager.

Affected packages
=================

    -------------------------------------------------------------------
     Package      /    Vulnerable    /                        Unaffected
    -------------------------------------------------------------------
     app-misc/mc       <= 4.6.0-r4                           >= 4.6.0-r5

Description
===========

A stack-based buffer overflow has been found in Midnight Commander's
virtual filesystem.

Impact
======

This overflow allows an attacker to run arbitrary code on the user's
computer during the symlink conversion process.

Workaround
==========

While a workaround is not currently known for this issue, all users are
advised to upgrade to the latest version of the affected package.

Resolution
==========

All users should upgrade to the current version of the affected
package:

    # emerge sync

    # emerge -pv ">=app-misc/mc-4.6.0-r5"
    # emerge ">=app-misc/mc-4.6.0-r5"

References
==========

  [ 1 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1023

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.