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Gentoo: 201406-07 Echoping: Buffer Overflow Vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo A buffer overflow in Echoping might allow remote attackers to cause a Denial of Service condition.
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Gentoo Linux Security Advisory                           GLSA 201406-07
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: Echoping: Buffer Overflow Vulnerabilities
     Date: June 06, 2014
     Bugs: #349569
       ID: 201406-07

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Synopsis
========

A buffer overflow in Echoping might allow remote attackers to cause a
Denial of Service condition.

Background
==========

Echoping is a small program to test performances of a
remote host by sending it TCP packets.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/echoping      < 6.0.2_p434            >= 6.0.2_p434

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

A boundary error exists within the "TLS_readline()" function, which can
be exploited to overflow a global buffer by sending an overly long
encrypted HTTP reply to Echoping. Also, a similar boundary error exists
within the "SSL_readline()" function, which can be exploited in the
same manner.

Impact
======

A remote attacker could send a specially crafted HTTP reply, possibly
resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Echoping users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=net-analyzer/echoping-6.0.2_p434"

References
==========

[ 1 ] CVE-2010-5111
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-5111

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

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

 http://security.gentoo.org/glsa/glsa-201406-07.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 2014 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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