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Secunia Advisory SA36393

BackupPC "ClientNameAlias" SSH Rsync Backup Security Bypass
Secunia Advisory SA36393
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Release Date 2009-08-19
Last Update 2009-09-28
   
Popularity 2,416 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Security Bypass
Where From local network
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
Remediation status Secunia VIM
   
Software:
BackupPC 3.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2009-3369 CVSS available in Customer Area
  

Description

A security issue has been reported in BackupPC, which can be exploited by malicious users to bypass certain security restrictions.

The security issue is caused due to the application allowing users to set the "ClientNameAlias" option for configured hosts. This can be exploited to backup arbitrary directories from client systems for which Rsync over SSH is configured as a transfer method.

The security issue is reported in version 3.1.0. Other versions may also be affected.


Solution
Restrict web interface access to trusted users only.

Provided and/or discovered by
Reported by David Ambrose-Griffith in a Debian bug report.

Changelog
Further details available in Customer Area

Original Advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=542218

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: BackupPC "ClientNameAlias" SSH Rsync Backup Security Bypass
 
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