Secunia Advisory SA32375

GoodTech SSH Server SFTP Processing Buffer Overflow Vulnerability
Secunia Advisory SA32375
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Release Date 2008-10-23
Last Update 2008-10-24
   
Popularity 2,404 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact DoS
System access
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Unpatched
   
   
3rd party PoC/exploit Link available in Customer Area
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
GoodTech SSH Server 6.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2008-4726 CVSS available in Customer Area
  

Description
r0ut3r has discovered a vulnerability in GoodTech SSH Server, which can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to a boundary error when processing overly long strings passed as arguments to e.g. the SFTP "open", "opendir", and "unlink" commands, and can be exploited to cause a stack-based buffer overflow.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 6.4. Other versions may also be affected.

Solution
Restrict access to trusted users only.

Provided and/or discovered by
r0ut3r

Changelog
Further details available in Customer Area

Original Advisory
http://milw0rm.com/exploits/6804

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: GoodTech SSH Server SFTP Processing Buffer Overflow Vulnerability
 
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