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NetBSD Kernfs Kernel Memory Disclosure Vulnerability

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Release Date:  2006-01-10    Last Update:  2006-08-04    Views:  11,911

Secunia Advisory SA18388

Where:

Local system

Impact:

Exposure of sensitive information

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


A vulnerability has been reported in NetBSD, which can be exploited by malicious, local users to disclose potentially sensitive information.

The vulnerability is caused due to an input validation error in the "lseek()" system call. This can be exploited by userlevel non-privileged process to read arbitrary kernel memory via the kernfs file system.


Solution:
The vulnerability has been fixed in the following versions:

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits Ejovi Nuwere from SecurityLab and Christos Zoulas.

Original Advisory:
NetBSD:
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-001.txt.asc

SecurityLab Technologies:
http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.html

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: NetBSD Kernfs Kernel Memory Disclosure Vulnerability

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