[Full-disclosure] Secunia Research: Adobe Reader JBIG2 Text Region Segment Buffer Overflow

[Secunia Research <remove-vuln@xxxxxxxxxxx>]

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                     Secunia Research 10/06/2009

      - Adobe Reader JBIG2 Text Region Segment Buffer Overflow -

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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

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1) Affected Software 

* Adobe Reader 9.1.0

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

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3) Vendor's Description of Software 

"Adobe Reader software is the global standard for electronic document 
sharing. It is the only PDF file viewer that can open and interact 
with all PDF documents."

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

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4) Description of Vulnerability

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

The vulnerability is caused due to a boundary error in the processing
of Huffman encoded JBIG2 text region segments. This can be exploited 
to cause a heap-based buffer overflow via a specially crafted PDF 
file.

Successful exploitation may allow execution of arbitrary code.

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5) Solution 

Update to version 9.1.2, 8.1.6, or 7.1.3.

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6) Time Table 

14/04/2009 - Vendor notified.
14/04/2009 - Vendor response.
10/06/2009 - Public disclosure.

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7) Credits 

Discovered by Alin Rad Pop, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-0198 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-24/

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

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