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From: iDefense Labs (labs-no-replyidefense.com)
Date: Sat Feb 09 2008 - 03:02:09 CST
iDefense Security Advisory 02.08.08
Feb 08, 2008
Adobe Reader is a program for viewing Portable Document Format (PDF)
documents. Acrobat is the program used to create such documents. More
information is available at the following URLs.
Remote exploitation of multiple stack-based buffer overflows in
to execute arbitrary code as the current user.
These issues exist due to insufficient input validation in several
length before it is copied into a fixed sized buffer on the stack. If
an attacker supplies a long string, control structures on the stack may
be modified, allowing the execution of arbitrary code.
Exploitation of these vulnerabilities would allow an attacker to execute
arbitrary code as the current user. In order to exploit these
vulnerabilities, an attacker would have to convince a targeted user to
open a maliciously constructed file. This file could be sent directly
to the targeted user or linked from a website.
iDefense has confirmed these vulnerabilities exist in Adobe Reader 8.1
on Windows XP SP2. It is likely that other Adobe products that handle
PDF files, including previous versions of Adobe Reader, are also
prompt the user that some components of the document may not function,
and provide an opportunity to enable it.
VI. VENDOR RESPONSE
Adobe released version 8.1.2 of Adobe Reader and Acrobat to address
these vulnerabilities. Although there is currently no update for
version 7.0.9, Adobe reports it does plan to release one at a later
date. For more information, visit the vendor's advisory at the
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-5659 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
10/10/2007 Initial vendor notification
10/10/2007 Initial vendor response
10/26/2007 Request for status
10/26/2007 Status - Est. early January
01/04/2008 Request for status
01/04/2008 Status - Scheduled early February
01/28/2008 Adobe plans patch for 8, but not 7
01/30/2008 Concerns about the plan e-mailed to Adobe
01/31/2008 Telephone call to clarify concerns
02/06/2008 Adobe releases 8.1.2
02/06/2008 Immunity makes PoC available to partners
02/07/2008 Adobe publishes APSA08-01
02/08/2008 Exploit discovered in the wild
02/08/2008 Public disclosure
These vulnerabilities were discovered by Greg MacManus of VeriSign
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Copyright © 2008 iDefense, Inc.
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Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
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There are no warranties with regard to this information. Neither the
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