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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2011:1088 :
Updated systemtap packages that fix two security issues are now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
SystemTap is an instrumentation system for systems running the Linux
kernel. The system allows developers to write scripts to collect data
on the operation of the system.
It was found that SystemTap did not perform proper module path sanity
checking if a user specified a custom path to the uprobes module, used
when performing user-space probing ('staprun -u'). A local user who is
a member of the stapusr group could use this flaw to bypass intended
module-loading restrictions, allowing them to escalate their
privileges by loading an arbitrary, unsigned module. (CVE-2011-2502)
A race condition flaw was found in the way the staprun utility
performed module loading. A local user who is a member of the stapusr
group could use this flaw to modify a signed module while it is being
loaded, allowing them to escalate their privileges. (CVE-2011-2503)
SystemTap users should upgrade to these updated packages, which
contain backported patches to correct these issues.
See also :
Update the affected systemtap packages.
Risk factor :
Medium / CVSS Base Score : 4.4
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68312 ()
CVE ID: CVE-2011-2502CVE-2011-2503
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