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Gentoo Linux Security Advisory                           GLSA 200510-15
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Lynx: Buffer overflow in NNTP processing
      Date: October 17, 2005
      Bugs: #108451
        ID: 200510-15

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Synopsis
=======
Lynx contains a buffer overflow that may be exploited to execute
arbitrary code.

Background
=========
Lynx is a text-mode browser for the World Wide Web. It supports
multiple URL types, including HTTP and NNTP URLs.

Affected packages
================
    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  www-client/lynx     < 2.8.5-r1                        >= 2.8.5-r1

Description
==========
When accessing a NNTP URL, Lynx connects to a NNTP server and retrieves
information about the available articles in the target newsgroup. Ulf
Harnhammar discovered a buffer overflow in a function that handles the
escaping of special characters.

Impact
=====
An attacker could setup a malicious NNTP server and entice a user to
access it using Lynx (either by creating NNTP links on a web page or by
forcing a redirect for Lynx users). The data returned by the NNTP
server would trigger the buffer overflow and execute arbitrary code
with the rights of the user running Lynx.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Lynx users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-client/lynx-2.8.5-r1"

References
=========
  [ 1 ] CAN-2005-3120
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-3120

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

  https://security.gentoo.org/glsa/200510-15

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 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.

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

Gentoo: GLSA-200510-15: Lynx: Buffer overflow in NNTP processing

Lynx contains a buffer overflow that may be exploited to execute arbitrary code.

Summary

Gentoo Linux Security Advisory GLSA 200510-15 https://security.gentoo.org/ Severity: Normal Title: Lynx: Buffer overflow in NNTP processing Date: October 17, 2005 Bugs: #108451 ID: 200510-15

Synopsis ======= Lynx contains a buffer overflow that may be exploited to execute arbitrary code.
Background ========= Lynx is a text-mode browser for the World Wide Web. It supports multiple URL types, including HTTP and NNTP URLs.
Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-client/lynx < 2.8.5-r1 >= 2.8.5-r1
========== When accessing a NNTP URL, Lynx connects to a NNTP server and retrieves information about the available articles in the target newsgroup. ...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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