Gentoo: Midnight Commander Multiple vulnerabilities
Posted by Benjamin D. Thomas   
Gentoo Midnight Commander contains several format string errors, buffer overflows and one buffer underflow leading to execution of arbitrary code.
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Gentoo Linux Security Advisory                           GLSA 200502-24
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Midnight Commander: Multiple vulnerabilities
      Date: February 17, 2005
      Bugs: #77992
        ID: 200502-24

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Synopsis
========

Midnight Commander contains several format string errors, buffer
overflows and one buffer underflow leading to execution of arbitrary
code.

Background
==========

Midnight Commander is a visual console file manager.

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

    -------------------------------------------------------------------
     Package      /   Vulnerable   /                        Unaffected
    -------------------------------------------------------------------
  1  app-misc/mc      < 4.6.0-r13                         >= 4.6.0-r13

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

Midnight Commander contains several format string vulnerabilities
(CAN-2004-1004), buffer overflows (CAN-2004-1005), a memory
deallocation error (CAN-2004-1092) and a buffer underflow
(CAN-2004-1176).

Impact
======

An attacker could exploit these vulnerabilities to execute arbitrary
code with the permissions of the user running Midnight Commander or
cause Denial of Service by freeing unallocated memory.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Midnight Commander users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-misc/mc-4.6.0-r13"

References
==========

  [ 1 ] CAN-2004-1004
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1004
  [ 2 ] CAN-2004-1005
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1005
  [ 3 ] CAN-2004-1092
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1092
  [ 4 ] CAN-2004-1176
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1176

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200502-24.xml

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.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0