Linux Kernel Buffer Overflows in Moxa Char Driver Yield Root Privileges to Local Users
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SecurityTracker Alert ID: 1013273 |
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SecurityTracker URL: http://securitytracker.com/id/1013273
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CVE Reference:
CAN-2005-0504
(Links to External Site)
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Date: Feb 23 2005
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Impact:
Execution of arbitrary code via local system, Root access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.2, 2.4, 2.6
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Description:
Some buffer overflow vulnerabilities were reported in the Linux kernel in the moxa char driver. A local user can execute arbitrary code with root privileges.
The driver does not properly validate the length of certain user-supplied inputs.
The flaws reside in 'drivers/char/moxa.c' in the MoxaDriverIoctl(), moxaloadbios(), moxaloadcode(), and moxaload320b() functions.
This vulnerability was reported in January 2005 by Brad Spengler of grsecurity.
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Impact:
A local user can execute arbitrary code with root privileges.
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Solution:
Some unofficial patches are available in the original report at:
http://lists.netsys.com/pipermail/full-disclosure/2005-January/030660.html
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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