SystemTap Buffer Overflow in __get_argv() May Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1023664 |
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SecurityTracker URL: http://securitytracker.com/id/1023664
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CVE Reference:
CVE-2010-0411
(Links to External Site)
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Date: Mar 1 2010
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Impact:
Denial of service via local system, 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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Description:
A vulnerability was reported in SystemTap. A local user can obtain elevated privileges on the target system.
A local user can trigger a buffer overflow in __get_argv() to cause the target system to crash (if the calling script runs with root privileges) or potentially execute arbitrary code on the target system.
The __get_compat_argv() function is also affected.
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Impact:
A local user may be able to obtain elevated privileges on the target system.
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Solution:
The vendor has issued a fix, available at:
http://sourceware.org/git/gitweb.cgi?p=systemtap.git;a=commit;h=a2d399c87a642190f08ede63dc6fc434a5a8363a
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Vendor URL: sourceware.org/systemtap/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Any)
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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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Date: 2010-02-04 18:02:28
Subject: [oss-security] systemtap DoS issue (CVE-2010-0411)
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Just a heads up that an issue in SystemTap was found where using the
__get_argv() function in tapset could result in a crash of the SystemTap
script that calls it (and syscall.execve) or, if it's running as root,
could lead to a hang/crash of the system running the script.
This flaw has been assigned CVE-2010-0411. More details can be found
here:
https://bugzilla.redhat.com/show_bug.cgi?id=559719
http://sourceware.org/bugzilla/show_bug.cgi?id=11234
--
Vincent Danen / Red Hat Security Response Team
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