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[OpenPKG-SA-2005.026] OpenPKG Security Advisory (lynx)
From: OpenPKG <openpkg () openpkg org>
Date: Sat, 3 Dec 2005 15:23:00 +0100

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________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security () openpkg org                         openpkg () openpkg org
OpenPKG-SA-2005.026                                          03-Dec-2005
________________________________________________________________________

Package:             lynx
Vulnerability:       command injection
OpenPKG Specific:    no

Affected Releases:   Affected Packages:      Corrected Packages:
OpenPKG CURRENT      <= lynx-2.8.5-20051030  >= lynx-2.8.5.5-20051203
OpenPKG 2.5          <= lynx-2.8.5-2.5.0     >= lynx-2.8.5-2.5.1
OpenPKG 2.4          <= lynx-2.8.5-2.4.0     >= lynx-2.8.5-2.4.1
OpenPKG 2.3          <= lynx-2.8.5-2.3.0     >= lynx-2.8.5-2.3.1

Description:
  According to a iDEFENSE security advisory [0], a command injection
  vulnerability exists in the Lynx [2] WWW textual client. The
  vulnerability could allow attackers to execute arbitrary commands
  with the privileges of the underlying user. The problem specifically
  exists within the feature to execute local "cgi-bin" programs via the
  "lynxcgi:" URI handler. The Common Vulnerabilities and Exposures (CVE)
  project assigned the id CVE-2005-2929 [3] to the problem.

  Additionally, according to a security advisory from Ulf Harnhammar
  [1], a stack-based buffer overflow in the "HTrjis" function in Lynx
  allows remote NNTP servers to execute arbitrary code via certain
  article headers containing Asian characters that cause Lynx to
  add extra escape (ESC) characters. The Common Vulnerabilities and
  Exposures (CVE) project assigned the id CVE-2005-3120 [4] to the
  problem.
________________________________________________________________________

References:
  [0] http://www.idefense.com/application/poi/display?id=338 
  [1] http://lists.grok.org.uk/pipermail/full-disclosure/2005-October/038019.html
  [2] http://lynx.isc.org/
  [3] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2929
  [4] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3120
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg () openpkg org>" (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
________________________________________________________________________

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