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Secunia Advisory SA10912

Linux kernel ncpfs Privilege Escalation Vulnerability
Secunia Advisory SA10912
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Release Date 2004-02-19
   
Popularity 17,753 views
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 Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Operating System
Linux Kernel 2.4.x
Linux Kernel 2.6.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2004-0010 CVSS available in Customer Area
  

Description

Arjan van de Ven has discovered a vulnerability in the Linux kernel, allowing malicious, local users to gain escalated privileges on a vulnerable system.

The vulnerability is caused due to a boundary error in the "ncp_lookup()" function in ncpfs since no checks on name component lengths are performed. This can be exploited to cause a stack overflow and may allow execution of arbitrary code with escalated privileges.

The vulnerability affects the 2.4.x and 2.6.x branches prior to versions 2.4.25 and 2.6.3.


Solution
Update to version 2.4.25 or 2.6.3.
Further details available in Customer Area

Provided and/or discovered by
Arjan van de Ven

Changelog
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: Linux kernel ncpfs Privilege Escalation Vulnerability
 
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