[Full-disclosure] Secunia Research: Orbit Downloader Long URL Parsing Buffer Overflow

[Secunia Research <remove-vuln@xxxxxxxxxxx>]

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                     Secunia Research 25/02/2009

        - Orbit Downloader Long URL Parsing 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 

* Orbit Downloader 2.8.2 and 2.8.3

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 

"Orbit Downloader, leader of download manager revolution, is devoted
to new generation web (web2.0) downloading, such as video/music/
streaming media from Myspace, YouTube, Imeem, Pandora, Rapidshare, 
support RTMP. And to make general downloading easier and faster.".

Product Link: http://www.orbitdownloader.com/

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4) Description of Vulnerability

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

The vulnerability is caused due to a boundary error when generating
the "Connecting" log message for HTTP downloads. This can be
exploited to cause a stack-based buffer overflow by e.g. tricking a
user into downloading from a malicious HTTP server or opening a
specially crafted HTTP URL containing an overly long host name.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Update to version 2.8.5.

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6) Time Table 

21/01/2009 - Vendor notified.
04/02/2009 - Requested status update from vendor.
05/02/2009 - Vendor response.
10/02/2009 - Vendor states that the bug has been fixed and a new
             version will be available soon.
25/02/2009 - Public disclosure.

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7) Credits 

Discovered by Stefan Cornelius, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-0187 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/2009-9/

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

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