[ GLSA 200403-09 ] Buffer overflow in Midnight Commander

[Kurt Lieber <klieber () gentoo org>]

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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.

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