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Secunia Advisory SA18388

NetBSD Kernfs Kernel Memory Disclosure Vulnerability
Secunia Advisory SA18388
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Release Date 2006-01-10
Last Update 2006-08-04
   
Popularity 10,771 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Exposure of sensitive information
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
NetBSD 1.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2006-0145 CVSS available in Customer Area
  

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 in Customer Area

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

Changelog
Further details available in Customer Area

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 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: NetBSD Kernfs Kernel Memory Disclosure Vulnerability
 
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