NetBSD hack(6) Buffer Overflows Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1022485 |
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SecurityTracker URL: http://securitytracker.com/id/1022485
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jul 1 2009
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Impact:
Execution of arbitrary code via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 4.0, 4.0.1, 5.0
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Description:
A vulnerability was reported in NetBSD hack(6). A local user can obtain elevated privileges on the target system.
A local user can trigger a buffer overflow to execute arbitrary code on the target system with "games" group privileges.
The user can set a specially crafted PATH environment variable value to trigger a stack overflow in the gethdate() function.
The user can set a specially crafted GENOCIDED environment variable value to trigger a buffer overflow in the main() function when in wizard mode.
David A. Holland reported this vulnerability.
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Impact:
A local user can obtain "games" group privileges on the target system.
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Solution:
The vendor has issued a fix.
The vendor's advisory is available at:
http://ftp.NetBSD.org/pub/NetBSD/security/advisories/NetBSD-SA2009-007.txt.asc
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Vendor URL: ftp.NetBSD.org/pub/NetBSD/security/advisories/NetBSD-SA2009-007.txt.asc (Links to External Site)
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Cause:
Boundary error
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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