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===================================================================== Red Hat Security Advisory
Synopsis: Important: systemtap security update Advisory ID: RHSA-2010:0124-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0124.html Issue date: 2010-03-01 CVE Names: CVE-2009-4273 CVE-2010-0411 =====================================================================
1. Summary:
Updated systemtap packages that fix two security issues are now available for Red Hat Enterprise Linux 5.
This update has been rated as having important security impact by the Red Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
3. Description:
SystemTap is an instrumentation system for systems running the Linux kernel, version 2.6. Developers can write scripts to collect data on the operation of the system.
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.
SystemTap users should upgrade to these updated packages, which contain backported patches to correct these issues.
4. Solution:
Before applying this update, make sure that all previously-released errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
550172 - CVE-2009-4273 systemtap: remote code execution via stap-server 559719 - CVE-2010-0411 systemtap: Crash with systemtap script using __get_argv()
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: 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-debuginfo-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-debuginfo-0.9.7-5.el5_4.3.i386.rpm systemtap-debuginfo-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
Red Hat Enterprise Linux (v. 5 server):
Source: 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-debuginfo-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
ia64: systemtap-0.9.7-5.el5_4.3.ia64.rpm systemtap-client-0.9.7-5.el5_4.3.ia64.rpm systemtap-debuginfo-0.9.7-5.el5_4.3.ia64.rpm systemtap-initscript-0.9.7-5.el5_4.3.ia64.rpm systemtap-runtime-0.9.7-5.el5_4.3.ia64.rpm systemtap-sdt-devel-0.9.7-5.el5_4.3.ia64.rpm systemtap-server-0.9.7-5.el5_4.3.ia64.rpm systemtap-testsuite-0.9.7-5.el5_4.3.ia64.rpm
ppc: systemtap-0.9.7-5.el5_4.3.ppc64.rpm systemtap-client-0.9.7-5.el5_4.3.ppc64.rpm systemtap-debuginfo-0.9.7-5.el5_4.3.ppc64.rpm systemtap-initscript-0.9.7-5.el5_4.3.ppc64.rpm systemtap-runtime-0.9.7-5.el5_4.3.ppc64.rpm systemtap-sdt-devel-0.9.7-5.el5_4.3.ppc64.rpm systemtap-server-0.9.7-5.el5_4.3.ppc64.rpm systemtap-testsuite-0.9.7-5.el5_4.3.ppc64.rpm
s390x: systemtap-0.9.7-5.el5_4.3.s390x.rpm systemtap-client-0.9.7-5.el5_4.3.s390x.rpm systemtap-debuginfo-0.9.7-5.el5_4.3.s390.rpm systemtap-debuginfo-0.9.7-5.el5_4.3.s390x.rpm systemtap-initscript-0.9.7-5.el5_4.3.s390x.rpm systemtap-runtime-0.9.7-5.el5_4.3.s390x.rpm systemtap-sdt-devel-0.9.7-5.el5_4.3.s390.rpm systemtap-sdt-devel-0.9.7-5.el5_4.3.s390x.rpm systemtap-server-0.9.7-5.el5_4.3.s390x.rpm systemtap-testsuite-0.9.7-5.el5_4.3.s390x.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-debuginfo-0.9.7-5.el5_4.3.i386.rpm systemtap-debuginfo-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
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2009-4273.html https://www.redhat.com/security/data/cve/CVE-2010-0411.html http://www.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
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