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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201201-04">
<title>Logsurfer: Arbitrary code execution</title>
<synopsis>A double-free flaw in Logsurfer allows a remote attacker to execute
arbitrary code.
<product type="ebuild">Logsurfer</product>
<announced>January 20, 2012</announced>
<revised>January 20, 2012: 1</revised>
<package name="app-admin/logsurfer+" auto="yes" arch="*">
<unaffected range="ge">1.8</unaffected>
<vulnerable range="lt">1.8</vulnerable>
<p>Logsurfer is a real time log monitoring and analysis tool.</p>
<p>Logsurfer log files may contain substrings used for executing external
commands. The prepare_exec() function in src/exec.c contains a
double-free vulnerability.
<impact type="normal">
<p>A remote attacker could inject specially-crafted strings into a log file
processed by Logsurfer, resulting in the execution of arbitrary code with
the permissions of the Logsurfer user.
<p>There is no known workaround at this time.</p>
<p>All Logsurfer users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-admin/logsurfer+-1.8"
<uri link="">
<metadata timestamp="Sat, 19 Nov 2011 12:42:58 +0000" tag="requester">ackle</metadata>
<metadata timestamp="Fri, 20 Jan 2012 18:19:29 +0000" tag="submitter">ackle</metadata>