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Gentoo: Adobe Flash Player Multiple vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo Multiple vulnerabilities have been identified, the worst of which allow arbitrary code execution on a user's system via a malicious Flash file.
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Gentoo Linux Security Advisory                        GLSA 200801-07:02
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Adobe Flash Player: Multiple vulnerabilities
      Date: January 20, 2008
   Updated: January 20, 2008
      Bugs: #193519
        ID: 200801-07:02

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Synopsis
========

Multiple vulnerabilities have been identified, the worst of which allow
arbitrary code execution on a user's system via a malicious Flash file.

Background
==========

The Adobe Flash Player is a renderer for the popular SWF file format,
which is commonly used to provide interactive websites, digital
experiences and mobile content.

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

    -------------------------------------------------------------------
     Package                 /   Vulnerable   /             Unaffected
    -------------------------------------------------------------------
  1  net-www/netscape-flash      < 9.0.115.0              >= 9.0.115.0

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

* Flash contains a copy of PCRE which is vulnerable to a heap-based
  buffer overflow (GLSA 200711-30, CVE-2007-4768).

* Aaron Portnoy reported an unspecified vulnerability related to
  input validation (CVE-2007-6242).

* Jesse Michael and Thomas Biege reported that Flash does not
  correctly set memory permissions (CVE-2007-6246).

* Dan Boneh, Adam Barth, Andrew Bortz, Collin Jackson, and Weidong
  Shao reported that Flash does not pin DNS hostnames to a single IP
  addresses, allowing for DNS rebinding attacks (CVE-2007-5275).

* David Neu reported an error withing the implementation of the
  Socket and XMLSocket ActionScript 3 classes (CVE-2007-4324).

* Toshiharu Sugiyama reported that Flash does not sufficiently
  restrict the interpretation and usage of cross-domain policy files,
  allowing for easier cross-site scripting attacks (CVE-2007-6243).

* Rich Cannings reported a cross-site scripting vulnerability in the
  way the "asfunction:" protocol was handled (CVE-2007-6244).

* Toshiharu Sugiyama discovered that Flash allows remote attackers to
  modify HTTP headers for client requests and conduct HTTP Request
  Splitting attacks (CVE-2007-6245).

Impact
======

A remote attacker could entice a user to open a specially crafted file
(usually in a web browser), possibly leading to the execution of
arbitrary code with the privileges of the user running the Adobe Flash
Player. The attacker could also cause a user's machine to establish TCP
sessions with arbitrary hosts, bypass the Security Sandbox Model,
obtain sensitive information, port scan arbitrary hosts, or conduct
cross-site-scripting attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Adobe Flash Player users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-www/netscape-flash-9.0.115.0"

Please be advised that unaffected packages of the Adobe Flash Player
have known problems when used from within the Konqueror and Opera
browsers.

References
==========

  [ 1 ] CVE-2007-4324
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4324
  [ 2 ] CVE-2007-4768
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4768
  [ 3 ] CVE-2007-5275
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5275
  [ 4 ] CVE-2007-6242
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6242
  [ 5 ] CVE-2007-6243
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6243
  [ 6 ] CVE-2007-6244
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6244
  [ 7 ] CVE-2007-6245
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6245
  [ 8 ] CVE-2007-6246
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6246
  [ 9 ] GLSA 200711-30
        http://www.gentoo.org/security/en/glsa/glsa-200711-30.xml

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

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

  http://security.gentoo.org/glsa/glsa-200801-07.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
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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