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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0124
The remote host is missing updates announced in
advisory RHSA-2010:0124.

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

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.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Critical

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-4273
SuSE Security Announcement: SUSE-SR:2010:010 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2010-0411
BugTraq ID: 38120
CopyrightCopyright (c) 2010 E-Soft Inc.

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