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NetBSD if_bridge Kernel Memory Disclosure Vulnerability

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Release Date:  2006-03-30    Last Update:  2006-04-06    Views:  9,999

Secunia Advisory SA19464

Where:

Local system

Impact:

Exposure of sensitive information

Solution Status:

Unpatched

Operating System:

CVE Reference(s):

Description


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

The vulnerability is caused due to the bridge ioctl calls not zeroing out used stack memory, which may expose random portions of kernel memory to a calling process.


Solution:
Fixes are not available for the 1.6 branch. Upgrade to a later version for which fixes are available (see vendor advisory for additional information).

Provided and/or discovered by:
The vendor credits Xin Li.

Original Advisory:
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-005.txt.asc

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 if_bridge Kernel Memory Disclosure Vulnerability

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