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             AUSCERT External Security Bulletin Redistribution

                               ESB-2011.1166
                         systemtap security update
                             21 November 2011

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           systemtap
Publisher:         Debian
Operating System:  Debian GNU/Linux 6
Impact/Access:     Increased Privileges -- Remote/Unauthenticated
                   Denial of Service    -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-2503 CVE-2010-4171 CVE-2010-4170

Reference:         ESB-2011.0766
                   ESB-2010.1057

Original Bulletin: 
   http://www.debian.org/security/2011/dsa-2348

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Debian Security Advisory DSA-2348-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
November 17, 2011                      http://www.debian.org/security/faq
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Package        : systemtap
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2010-4170 CVE-2010-4171 CVE-2011-2503 

Several vulnerabilities were discovered in SystemTap, an instrumentation 
system for Linux:

CVE-2011-2503

   It was discovered that a race condition in staprun could lead to
   privilege escalation.    

CVE-2010-4170

   It was discovered that insufficient validation of environment
   variables in staprun could lead to privilege escalation.

CVE-2010-4171

   It was discovered that insufficient validation of module unloading
   could lead to denial of service. 

For the stable distribution (squeeze), this problem has been fixed in
version 1.2-5+squeeze1.

For the unstable distribution (sid), this problem has been fixed in
version 1.6-1.

We recommend that you upgrade your systemtap packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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===========================================================================
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