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Gentoo Linux Security Advisory                           GLSA 200406-14
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: aspell: Buffer overflow in word-list-compress
      Date: June 17, 2004
      Bugs: #53389
        ID: 200406-14

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Synopsis
=======
A bug in the aspell utility word-list-compress can allow an attacker to
execute arbitrary code.

Background
=========
aspell is a popular spell-checker. Dictionaries are available for many
languages.

Affected packages
================
    -------------------------------------------------------------------
     Package          /    Vulnerable    /                  Unaffected
    -------------------------------------------------------------------
  1  app-text/aspell      <= 0.50.5-r1                    >= 0.50.5-r2

Description
==========
aspell includes a utility for handling wordlists called
word-list-compress. This utility fails to do proper bounds checking
when processing words longer than 256 bytes.

Impact
=====
If an attacker could entice a user to handle a wordlist containing very
long word lengths it could result in the execution of arbitrary code
with the permissions of the user running the program.

Workaround
=========
There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version.

Resolution
=========
All users should upgrade to the latest available version of aspell.

    # emerge sync

    # emerge -pv ">=app-text/aspell-0.50.5-r2"
    # emerge ">=app-text/aspell-0.50.5-r2"

References
=========
  [ 1 ] Nettwerked Advisory
        
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

     https://security.gentoo.org/glsa/200406-14

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
https://bugs.gentoo.org/.

License
======
Copyright 2004 Gentoo Technologies, Inc; referenced text
belongs to its owner(s).

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

https://creativecommons.org/licenses/by-sa/1.0/

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