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Synopsis: Important: systemtap security update
Issue date: 2010-03-01
CVE Names: CVE-2009-4273 CVE-2010-0411
CVE-2009-4273 systemtap: remote code execution via stap-server
CVE-2010-0411 systemtap: Crash with systemtap script using __get_argv()
A flaw was found in the SystemTap compile server, stap-server, an
optional component of SystemTap. This server did not adequately sanitize
input provided by the stap-client program, which may allow a remote user
to execute arbitrary shell code with the privileges of the compile
server process, which could possibly be running as the root user.
(CVE-2009-4273)
Note: stap-server is not run by default. It must be started by a user or
administrator.
A buffer overflow flaw was found in SystemTap's tapset __get_argv()
function. If a privileged user ran a SystemTap script that called this
function, a local, unprivileged user could, while that script is still
running, trigger this flaw and cause memory corruption by running a
command with a large argument list, which may lead to a system crash or,
potentially, arbitrary code execution with root privileges. (CVE-2010-0411)
Note: SystemTap scripts that call __get_argv(), being a privileged
function, can only be executed by the root user or users in the stapdev
group. As well, if such a script was compiled and installed by root,
users in the stapusr group would also be able to execute it.
SL 5.x
SRPMS:
systemtap-0.9.7-5.el5_4.3.src.rpm
i386:
systemtap-0.9.7-5.el5_4.3.i386.rpm
systemtap-client-0.9.7-5.el5_4.3.i386.rpm
systemtap-initscript-0.9.7-5.el5_4.3.i386.rpm
systemtap-runtime-0.9.7-5.el5_4.3.i386.rpm
systemtap-sdt-devel-0.9.7-5.el5_4.3.i386.rpm
systemtap-server-0.9.7-5.el5_4.3.i386.rpm
systemtap-testsuite-0.9.7-5.el5_4.3.i386.rpm
x86_64:
systemtap-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-client-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-initscript-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-runtime-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-sdt-devel-0.9.7-5.el5_4.3.i386.rpm
systemtap-sdt-devel-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-server-0.9.7-5.el5_4.3.x86_64.rpm
systemtap-testsuite-0.9.7-5.el5_4.3.x86_64.rpm
-Connie Sieh
-Troy Dawson
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