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Linux kernel ncpfs Privilege Escalation Vulnerability

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Release Date:  2004-02-19    Views:  19,040

Secunia Advisory SA10912

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

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 to Secunia VIM customers

Provided and/or discovered by:
Arjan van de Ven

Deep Links:
Links available to Secunia VIM customers

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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