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Xitami Multiple Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA26884  
Release Date: 2007-09-24
Last Update: 2008-04-04

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Unpatched

Software:Xitami 2.x

CVE reference:CVE-2007-5067 (Secunia mirror)

This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released!


Description:
Some vulnerabilities have been discovered in Xitami, which can be exploited by malicious people to compromise a vulnerable system.

1) A boundary error exists in the processing HTTP requests. This can be exploited to cause a stack-based buffer overflow by sending a specially crafted HTTP request containing an overly long "If-Modified-Since" header.

Successful exploitation allows execution of arbitrary code.

2) A format string error exists in the processing of requested SSI URLs. This can be exploited via a specially crafted HTTP request to port 80/TCP by default.

3) A format string error exists in the processing of LRWP (Long Running Web Process) requests. This can be exploited via a specially crafted request sent to port 81/TCP by default.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.

The vulnerabilities are confirmed in version 2.5c2. Other versions may also be affected.

Solution:
Restrict access to the web server.

Use another product.

Provided and/or discovered by:
1) Krystian Kloskowski
2, 3) bratax

Changelog:
2007-09-26: Added CVE reference.
2008-04-04: Added vulnerabilities #2 and #3 to the advisory. Updated "Original Advisory" and credits.

Original Advisory:
1) http://milw0rm.com/exploits/4450
2, 3) http://www.bratax.be/advisories/b013.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

3 Related Secunia Security Advisories

1. Xitami POST Request Infinite Loop Denial of Service Vulnerability
2. Xitami Denial of Service
3. Xitami Fails to Log Invalid Requests


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