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secunia-adobeoverflow.txt

secunia-adobeoverflow.txt
Posted Nov 4, 2008
Authored by Dyon Balding | Site secunia.com

Secunia Research has discovered a vulnerability in Adobe Acrobat/Reader, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a boundary error when parsing format strings containing a floating point specifier in the "util.printf()" Javascript function and can be exploited to cause a stack-based buffer overflow via a specially crafted PDF. Successful exploitation may allow execution of arbitrary code when viewing a malicious PDF file. Adobe Acrobat / Reader version 8.1.2 is affected.

tags | advisory, overflow, arbitrary, javascript
advisories | CVE-2008-2992
SHA-256 | 752ca6b79c83ae98d9fc8b1f8a86737dee9475f446bee614248a21427062b976

secunia-adobeoverflow.txt

Change Mirror Download
====================================================================== 

Secunia Research 04/11/2008

- Adobe Acrobat/Reader "util.printf()" Buffer Overflow -

======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

======================================================================
1) Affected Software

* Adobe Acrobat / Reader version 8.1.2

NOTE: Other versions may also be affected.

======================================================================
2) Severity

Rating: Highly critical
Impact: System access
Where: Remote

======================================================================
3) Vendor's Description of Software

"Adobe Acrobat 8 Professional software enabled business professionals
to reliably create, combine, and control Adobe PDF documents for
easy, more secure distribution, collaboration, and data collection."

Product Link: http://www.adobe.com/products/acrobat/

======================================================================
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Adobe
Acrobat/Reader, which can be exploited by malicious people to
compromise a user's system.

The vulnerability is caused due to a boundary error when parsing
format strings containing a floating point specifier in the
"util.printf()" Javascript function and can be exploited to cause a
stack-based buffer overflow via a specially crafted PDF.

Successful exploitation may allow execution of arbitrary code when
viewing a malicious PDF file.

======================================================================
5) Solution

The vendor will be releasing fixes later today.

NOTE: This was supposed to be a coordinated disclosure with Adobe, but
a third party has leaked the information.

======================================================================
6) Time Table

16/04/2008 - Vendor notified.
17/04/2008 - Vendor response.
09/05/2008 - Vendor informed that similar vulnerability will be fixed
in Foxit Reader this month.
10/05/2008 - Vendor response thanking for the heads-up.
20/05/2008 - Similar vulnerability published for Foxit Reader.
22/10/2008 - Vendor provides status update.
31/10/2008 - Vendor provides another status update along with a draft
of the upcoming security bulletin.
04/11/2008 - Public disclosure.

======================================================================
7) Credits

Discovered by Dyon Balding, Secunia Research.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2008-2992 for the vulnerability.

======================================================================
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://corporate.secunia.com/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.

http://secunia.com/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:

http://corporate.secunia.com/secunia_research/33/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/

======================================================================
10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-14/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================
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