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[ GLSA 201006-07 ] SILC: Multiple vulnerabilities
From: Tobias Heinlein <keytoaster () gentoo org>
Date: Tue, 01 Jun 2010 17:43:12 +0200

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Gentoo Linux Security Advisory                           GLSA 201006-07
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: SILC: Multiple vulnerabilities
      Date: June 01, 2010
      Bugs: #284561
        ID: 201006-07

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Synopsis
========

Multiple vulnerabilities were discovered in SILC Toolkit and SILC
Client, the worst of which allowing for execution of arbitrary code.

Background
==========

SILC (Secure Internet Live Conferencing protocol) Toolkit is a software
development kit for use in clients, and SILC Client is an IRSSI-based
text client.

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

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  net-im/silc-toolkit      < 1.1.10                       >= 1.1.10
  2  net-im/silc-client        < 1.1.8                        >= 1.1.8
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Multiple vulnerabilities were discovered in SILC Toolkit and SILC
Client. For further information please consult the CVE entries
referenced below.

Impact
======

A remote attacker could overwrite stack locations and possibly execute
arbitrary code via a crafted OID value, Content-Length header or format
string specifiers in a nickname field or channel name.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All SILC Toolkit users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-im/silc-toolkit-1.1.10"

All SILC Client users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-im/silc-client-1.1.8"

References
==========

  [ 1 ] CVE-2008-7159
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7159
  [ 2 ] CVE-2008-7160
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7160
  [ 3 ] CVE-2009-3051
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3051
  [ 4 ] CVE-2009-3163
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3163

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

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

  http://security.gentoo.org/glsa/glsa-201006-07.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
https://bugs.gentoo.org.

License
=======

Copyright 2010 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/2.5

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