full-disclosure - [SECURITY] Zip Unzip v6 (.zip) 0day stack buffer overflow vulnerability

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Date: Sat, 3 Apr 2010 11:33:01 +1000
From: Steven Seeley <seeleymagic@...mail.com>
To: <full-disclosure@...ts.grok.org.uk>, <secalert@...urityreason.com>,
	<vuln@...unia.com>
Cc: corelan.team@...elan.be
Subject: [SECURITY] Zip Unzip v6 (.zip) 0day stack buffer
 overflow vulnerability


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|                                       http://www.corelan.be:8800 |
|                                              security@...elan.be |
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|                 Vulnerability Disclosure Report                  |
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Advisory : CORELAN-10-019
Disclosure date : 3rd Apr 2010
0x00 : Vulnerability information
——————————–

[*] Product : zip-unzip
[*] Version : 6.x
[*] Vendor : http://www.microviet.com/
[*] URL : http://www.microviet.com/free/zipunzip.EXE
[*] Type of vulnerability : Local Stack Overflow
[*] Risk rating : High
[*] Issue fixed in version : none
[*] Vulnerability discovered by : mr_me
[*] Greetings to : The Corelan Security Team (http://www.corelan.be:8800/index.php/security/corelan-team-members/)

0x01 : Vendor description of software
————————————-
>>From the vendor website:

No description

0x02 : Vulnerability details
—————————-
Local Stack Overflow:

When the application recieves a malicous .zip file it can cause a buffer overflow in the 'filename' buffer of the application, resulting in code execution in the context of the currently logged in user. 

0x03 : Vendor communication
—————————
[*] 23rd Mar, 2010 : Vendor contacted
[*] 30th Mar, 2010 : Vendor reminded of vulnerability
[*] 3rd Apr, 2010 : No contact
[*] 3rd Apr, 2010 : Public Disclosure

0x04 : Exploit/PoC
——————
http://net-ninja.net/blog/media/blogs/b/exploits/zipunzip.php.txt 		 	   		  
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