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Novell Groupwise Webaccess Stack Overflow
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Application: Novell Groupwise Webaccess Stack Overflow

Platforms: Windows, Linux &amp; Netware (GroupWise 7.0, 7.01, 7.02, 7.03x, 7.04, 8.0, 8.01x)

Exploitation: Remote code execution

CVE Number:

Novell TID: 7006380

Author: Francis Provencher (Protek Research Lab’s)

Blog: http://www.protekresearchlab.com/

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1) Introduction
2) Report Timeline
3) Technical details
4) The Code

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1) Introduction
===============

Novell, Inc. is a global software and services company based in Waltham, Massachusetts. The company specializes in enterprise operating systems, such as SUSE Linux Enterprise and Novell NetWare; identity, security, and systems management solutions; and collaboration solutions, such as Novell Groupwise and Novell Pulse.

Novell was instrumental in making the Utah Valley a focus for technology and software development. Novell technology contributed to the emergence of local area networks, which displaced the dominant mainframe computing model and changed computing worldwide. Today, a primary focus of the company is on developing open source software for enterprise clients.

(http://en.wikipedia.org/wiki/Novell)

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2) Report Timeline
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2010-05-27 Vendor Contact
2010-05-28 Vendor repsonse
2010-07-15 Patch is release

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3) Technical details
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The user Proxy feature of Novell GroupWise WebAccess is vulnerable to a stack overflow exploit. An authenticated user could potentially trigger and execute arbitrary code with &quot;Root&quot; or &quot;SYSTEM&quot; rigths. To overwrite the stack, 1294 byte have to been sent to the user proxy feature.

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4) The Code
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This issue can be trigger manually;

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The stack will be overwrite with 0×62626262

# <a href=’http://inj3ct0r.com/’>Inj3ct0r.com</a> [2010-07-15]</pre><script type=’text/javascript’>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src=’" + gaJsHost + "google-analytics.com/ga.js’ type=’text/javascript’%3E%3C/script%3E"));</script><script type=’text/javascript’>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>
Source: http://inj3ct0r.com/exploits/13346