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eZnetwork HTTP Request Buffer Overflow Vulnerability
Secunia Advisory: SA10379
Release Date: 2003-12-08
Last Update: 2003-12-12
Popularity: 6,843 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:eZ 3.x
eZnetwork
eZphotoshare 1.x
eZshare

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Description:
A vulnerability has been identified in eZnetwork, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in "eznet.exe" when handling HTTP requests. This can be exploited to cause a buffer overflow by supplying overly long, specially crafted requests.

Successful exploitation allows execution of arbitrary code on a user's system.

The following products include the affected application:
* eZ versions 3.5.0 and prior
* eZphotoshare versions 1.1 and prior
* eZshare

Solution:
The issues have been fixed in eZ version 3.6 and eZphotoshare 1.2.1. These will be available at:

http://www.ezmeeting.com/download.html
http://www.ezphotoshare.com/download.html

Provided and/or discovered by:
Peter Winter-Smith

Changelog:
2003-12-12: Updated versions released.

Original Advisory:
eZ Multiple Packages Stack Overflow Vulnerability:
http://www.elitehaven.net/ezstackoverflow.txt


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