Security Advisory SA17220 - Snort Back Orifice Pre-Processor Buffer Overflow Vulnerability

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Secunia Advisory SA17220

Snort Back Orifice Pre-Processor Buffer Overflow Vulnerability

Secunia Advisory

SA17220

Release Date

2005-10-18

Last Update

2005-11-14

Popularity

22,898 views

Comments

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Criticality level

Highly critical

Impact

System access

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

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Software:

Snort 2.4.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2005-3252 CVSS score available to Secunia VIM customers

Description

Neel Mehta has reported a vulnerability in Snort, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the handling of Back Orifice packets. This can be exploited by sending a maliciously crafted UDP packet to a network or device protected by or running an IDS or IPS system based on Snort.

The vulnerability has been reported in Snort version 2.4.0 , 2.4.1, and 2.4.2. Other versions may also be affected.

Solution
Upgrade to version 2.4.3.
Further details available to Secunia VIM customers

Provided and/or discovered by
Neel Mehta, ISS X-Force

Changelog
Further details available to Secunia VIM customers

Original Advisory
Snort:
http://www.snort.org/pub-bin/snortnews.cgi#99

X-Force:
http://xforce.iss.net/xforce/alerts/id/207

Other references
Further details available to Secunia VIM customers

Deep Links
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Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Snort Back Orifice Pre-Processor Buffer Overflow Vulnerability

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Secunia Advisory SA17220

Snort Back Orifice Pre-Processor Buffer Overflow Vulnerability

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