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Essentia Web Server GET/HEAD Buffer Overflow
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Secunia Advisory:
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SA22718
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Release Date:
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2006-11-07
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Last Update:
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2006-11-16
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Popularity:
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7,254 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Essentia Web Server 2.x
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| CVE reference: | CVE-2006-5850
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Description:
CorryL has discovered a vulnerability in Essentia Web Server, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error when processing HTTP requests. This can be exploited to cause a stack-based buffer overflow via an overly long (more than 6000 bytes) GET or HEAD request.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 2.15. Other versions may also be affected.
Solution:
Filter overly long GET or HEAD requests in a proxy or firewall with URL filtering capabilities.
Provided and/or discovered by:
CorryL
Changelog:
2006-11-07: Updated "Title" and "Description" sections. Changed "POST" to "HEAD"
2006-11-16: Added CVE reference.
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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