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70 lines
2.2 KiB
70 lines
2.2 KiB
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200508-19">
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<title>lm_sensors: Insecure temporary file creation</title>
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<synopsis>
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lm_sensors is vulnerable to linking attacks, potentially allowing a local
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user to overwrite arbitrary files.
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</synopsis>
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<product type="ebuild">lm_sensors</product>
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<announced>August 30, 2005</announced>
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<revised>August 30, 2005: 01</revised>
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<bug>103568</bug>
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<access>local</access>
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<affected>
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<package name="sys-apps/lm_sensors" auto="yes" arch="*">
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<unaffected range="ge">2.9.1-r1</unaffected>
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<vulnerable range="lt">2.9.1-r1</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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lm_sensors is a software package that provides drivers for
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monitoring the temperatures, voltages, and fans of Linux systems with
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hardware monitoring devices.
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</p>
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</background>
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<description>
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<p>
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Javier Fernandez-Sanguino Pena has discovered that lm_sensors
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insecurely creates temporary files with predictable filenames when
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saving configurations.
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</p>
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</description>
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<impact type="normal">
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<p>
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A local attacker could create symbolic links in the temporary file
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directory, pointing to a valid file somewhere on the filesystem. When
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the pwmconfig script of lm_sensors is executed, this would result in
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the file being overwritten with the rights of the user running the
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script, which typically is the root user.
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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All lm_sensors users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=sys-apps/lm_sensors-2.9.1-r1"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2672">CAN-2005-2672</uri>
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</references>
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<metadata tag="requester" timestamp="Sat, 27 Aug 2005 09:37:19 +0000">
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koon
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</metadata>
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<metadata tag="bugReady" timestamp="Sat, 27 Aug 2005 09:38:55 +0000">
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koon
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</metadata>
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<metadata tag="submitter" timestamp="Sat, 27 Aug 2005 22:28:16 +0000">
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formula7
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</metadata>
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</glsa>
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