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Secunia Advisory SA32774

Citrix XenServer Ext2/Ext3 Processing Security Bypass Vulnerability
Secunia Advisory SA32774
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Release Date 2008-11-19
   
Popularity 4,646 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Security Bypass
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
Citrix XenServer 4.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2007-5497 CVSS available in Customer Area
  

Description

A vulnerability has been reported in Citrix XenServer, which can be exploited by malicious, local users to bypass certain security restrictions.

The vulnerability is caused due to an error when processing specially crafted Ext2 and Ext3 images. This can be exploited to potentially execute arbitrary code in the control domain by writing specially crafted data to an Ext2 or Ext3 partition used to boot a guest domain.

This is related to:
SA27889

The vulnerability is reported in version 4.1.0 and prior.


Solution
Apply hotfix.
Further details available in Customer Area

Provided and/or discovered by
Reported by the vendor.

Original Advisory
http://support.citrix.com/article/CTX118766

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area


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: Citrix XenServer Ext2/Ext3 Processing Security Bypass Vulnerability
 
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