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Secunia Advisory SA32820

SystemImager "si_mkbootserver" Insecure Temporary Files
Secunia Advisory SA32820
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Release Date 2008-11-20
   
Popularity 1,566 view
Comments 0 comments

Criticality level Less criticalLess critical
Impact Privilege escalation
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Unpatched
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
SystemImager 4.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2008-5156 CVSS available in Customer Area
  

Description
A security issue has been reported in SystemImager, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

The security issue is caused due to the "sbin/si_mkbootserver" script using temporary files in an insecure manner. This can be exploited to overwrite arbitrary files via symlink attacks.

The security issue affects version 4.0.2. Other versions may also be affected.

Solution
Restrict local access to trusted users only.

Provided and/or discovered by
Reported by Dmitry E. Oboukhov via the "debian-devel" mailing list.

Original Advisory
http://lists.debian.org/debian-devel/2008/08/msg00347.html

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: SystemImager "si_mkbootserver" Insecure Temporary Files
 
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